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Hawthorne, F.C. and Oberti, R. (2007a) Amphiboles: Crystal chemistry. Reviews in Mineralogy and Geochemistry 67, Mineralogical Society of America and Geochemical Society, Washington D.C., 1-54.

Hawthorne, F.C. and Oberti, R. (2007b) Classification of the amphiboles: Reviews in Mineralogy and Geochemistry 67, Mineralogical Society of America and Geochemical Society, Washington D.C., 55-88.

Oberti, R., Hawthorne, F.C., Cannillo, E. and Cámara, F. (2007) Long-range order in amphiboles. Reviews in Mineralogy and Geochemistry 67, Mineralogical Society of America and Geochemical Society, Washington D.C., 125-171.

Hawthorne, F.C. and Della Ventura, G. (2007) Short-range order in amphiboles. Reviews in Mineralogy and Geochemistry 67, Mineralogical Society of America and Geochemical Society, Washington D.C., 173-222.

Hawthorne, F.C., Della Ventura, G., Oberti, R., Robert, J-L. and Iezzi, G. (2005) Short-range order in minerals: amphiboles. Canadian Mineralogist 43, 1895-1920.

Hawthorne, F.C. (1983) Characterization of the average structure of natural and synthetic  amphiboles. Preiodico di Mineralogia 52, 543‑581.

Hawthorne, F.C. (1983) The crystal chemistry of the amphiboles. Canadian Mineralogist 21, 173‑480.

Hawthorne, F.C. (1981b) Amphibole Spectroscopy. Reviews in Mineralogy 9A, 103‑139.

Hawthorne, F.C. (1981a) Crystal Chemistry of the Amphiboles. Reviews in Mineralogy 9A, 1‑102.

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W., Martin, R.F., Schumacher, J.C. and Welch, M.D. (2012) Nomenclature of the amphibole super-group. American Mineralogist 97, 2031-2048.

Hawthorne, F.C. and Oberti, R. (2006) On the classification of amphiboles. Canadian Mineralogist 44, 1-21.

Leake, B.E., Woolley, A.R., Arps, C.E.S, Birch, W.D., Gilbert, M.C., Grice, J.D., Hawthorne, F.C., Kato, A., Kisch, H.J., Krivovichev, V.G., Linthout, K., Laird, J., Mandarino, J.A., Maresch, W.V., Nickel, E.H., Rock, N.M.S., Schumacher, J.C., Smith, D.C., Stephenson, N.C.N., Ungaretti, L., Whittaker, E.J.W., Guo, Y. (1997) Nomenclature of Amphiboles: Report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Canadian Mineralogist 35, 219-246.

Leake, B.E., Woolley, A.R., Birch, W.D., Burke, E.A.J., Ferraris, G., Grice, J.D., Hawthorne, F.C., Kisch, H.J., Krivovichev, V.G., Schumacher, J.C., Stephenson, N.C.N. and Whittaker, E.J.W. (2003) Nomenclature of amphiboles; Additions and revisions to the International Mineralogical Association’s 1997 recommendations. Canadian Mineralogist 41, 1355-1362.

Sokolova, E.V., Hawthorne, F.C., Gorbatova, V., McCammon, C. and Schneider, J. (2001) Ferrian winchite from the Ilmen Mountains, Southern Urals, Russia, and some problems with the current scheme for amphibole nomenclature. Canadian Mineralogist 39, 171-177.

Hawthorne, F.C., Day, M.C., Fayek, M., Linthout, K., Lustenhouwer, W.J. and Oberti, R. (2022) Ferro-papikeite, ideally NaFe2+2(Fe2+3Al2)(Si5Al3)O22(OH)2, a new orthorhombic amphibole from Nordmark (Western Bergslagen), Sweden: Description and crystal structure. American Mineralogist 107, 306-312.

Oberti, R., Boiocchi, M., Hawthorne, F., Ball, N. and Martin, R. (2019) Ferri-fluoro-katophorite from Bear Lake diggings, Bancroft area, Ontario, Canada: A new species of amphibole, ideally Na(NaCa)(Mg4Fe3+)(Si7Al)O22F2. Mineralogical Magazine 83, 413-417.

Oberti, R., Boiocchi, M., Hawthorne F.C., Della Ventura, G. and Färber, G. (2019) Potassic-jeanlousite from Leucite Hill, Wyoming, USA, ideally K(NaCa)(Mg4Ti)Si8O22O2: the first subspecies of oxo amphibole in the sodium-calcium subgroup. Mineralogical Magazine 83, 587-593.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M., Revheim, O. and Bracco, R. (2018) Clino-suenoite, a newly approved magnesium-iron-manganese amphibole from Valmalenco, Sondrio, Italy. Mineralogical Magazine 82, 189-198.

Oberti, R., Boiocchi, M., Hawthorne, F.C. and Ciriotti, M. (2018) Ferro-tschermakite from the Ploumanac’h granitic complex, Brittany, France: mineral description. European Journal of Mineralogy 30, 171-176.

Oberti, R., Boiocchi, M., Hawthorne, F., and Ciriotti, M. (2018) Magnesio-hornblende from Lüderitz, Namibia: Mineral description and crystal chemistry. Mineralogical Magazine 82, 1253-1259.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Blass, G. (2017) Ferri-obertiite from the Rothenberg quarry, Eifel volcanic complex, Germany: mineral data and crystal chemistry of a new amphibole end-member. Mineralogical Magazine 81, 641-651.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Chiappino, L. (2016) Magnesio-ferri-fluoro-hornblende from Portoscuso, Sardinia, Italy: Description of a newly approved member of the amphibole supergroup. Mineralogical Magazine 80, 269-275.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Ashley, P.M. (2016) Oxo-mangani-leakeite from the Hoskins mine, New South Wales, Australia: occurrence and mineral description. Mineralogical Magazine 80, 1013-1021.         

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A., Cámara, F., Pagano, R. and Pagano, A. (2016) Ferro-ferri-hornblende from the Traversella mine (Ivrea, Italy) occurrence, mineral description and crystal-chemistry. Mineralogical Magazine 80, 1233-1242.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Harlow, G.E. (2015) Eckermannite revised. The new holotype from the Jade Mine Tract, Myanmar: crystal structure, mineral data and hints on the reasons for the rarity of eckermannite. American Mineralogist 100, 909-914.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Harlow, G.E. (2015) Magnesio-arfvedsonite from Jade Mine Tract, Myanmar: crystal-chemistry and mineral description. Mineralogical Magazine 79, 253-260.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A. and Harlow, G.E. (2015) Katophorite from the Jade Mine Tract, Myanmar: mineral description of a rare (grandfathered) end-member of the amphibole supergroup. Mineralogical Magazine 79, 355-363.

Lussier, A.J., Hawthorne, F.C., Abdu, Y.A., Ball, N.A., Tait, K.T., Back, M.E., Steede, A.H., Taylor, R. and McDonald, A.M. (2014) Ferro-ferri-nybøite, NaNa2(Fe2+3Fe3+2)Si8O22(OH)2, a new clinoamphibole from Mont Saint-Hilaire, Québec, Canada: Description and crystal structure. Canadian Mineralogist 52, 1019-1026. (plus Correction: Canadian Mineralogist 55 (2017), 515-516)      

Hawthorne, F.C., Ball, N.A. and Czamanske, G. (2010) Ferro-obertiite, NaNa2(Fe2+3Fe3+2Ti)Si8O22O2, a new mineral of the amphibole group from Coyote Peak, Humboldt County, California. Canadian Mineralogist 48, 301-306.

Cámara, F., Hawthorne, F.C., Ball, N.A., Bekenova, G., Stepanov, A.V. and Kotel’nikov, P.E. (2010) Fluoroleakeite, Na Na2 (Mg2 Fe3+2 Li) Si8 O22 F2, a new mineral of the amphibole group from the Verkhnee Espe deposit, Akjailyautas Mountains, Eastern Kazakhstan District, Kazakhstan: Description and crystal structure. Mineralogical Magazine 74, 521-528.

Oberti, R., Boiocchi, M., Hawthorne, F.C., Pagano, R. and Pagano, A. (2010) Fluoro-potassic-pargasite, KCa2(Mg4Al)(Si6Al2)O22F2, from the Tranomaro area, Madagascar: mineral description and crystal chemistry. Mineralogical Magazine 74, 961–967.

Oberti, R., Boiocchi, M., Hawthorne, F.C. and Robinson, P. (2010) Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada. Mineralogical Magazine 74, 951–960.

Oberti, R., Boiocchi, M., Ball, N.A. and Hawthorne, F.C. (2009) Fluoro-sodic-ferropedrizite, NaLi2 (Fe2+2Al2Li) Si8O22 F2, a new mineral of the amphibole group from the Sutlug River, Tuva Republic, Russia: Description and crystal structure. Mineralogical Magazine 73, 487-494. 

Oberti, R., Cámara, F., Hawthorne, F.C. and Ball, N.A. (2009) Fluoro-aluminoleakeite, NaNa2(Mg2Al2Li)Si8O22F2, a new mineral of the amphibole group from Norra Kärr, Sweden: description and crystal structure. Mineralogical Magazine 73, 817-824.

Tait, K.T., Hawthorne, F.C., Grice, J.D., Ottolini, L. and Nayak, V.K. (2005) Dellaventuraite, NaNa2(MgMn3+2Ti4+Li)Si8O22O2, a new anhydrous amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India. American Mineralogist 90, 304-309.

Hawthorne, F.C., Cooper, M.A., Grice, J.D. and Ottolini, L. (2000) A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite, NaNa2(Mg3Fe3+Ti4+)Si8O22O2. American Mineralogist 85, 236-241.

Hawthorne, F.C., Oberti, R., Ungaretti, L. and Grice, J.D. (1996) A new hyper-calcic amphibole with Ca at the A site: Fluor-cannilloite from Pargas, Finland. American Mineralogist 81, 995-1002.

Hawthorne, F.C., Oberti, R., Ungaretti, L., Ottolini, L., Grice, J.D. and Czamanske, G.K. (1996) Fluor-ferro-leakeite, NaNa2(Fe2+2Fe3+2Li)Si8O22F2, a new alkali amphibole from the Cañada Pinabete pluton, Questa, New Mexico, U.S.A. American Mineralogist 81, 226-228.

Hawthorne, F.C., Oberti, R., Cannillo, E., Sardone, N., Zanetti, A., Grice, J.D. and Ashley, P.M. (1995) A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: Description and crystal structure of ungarettiite, NaNa2(Mn2+2Mn3+3)Si8O22O2. American Mineralogist 80, 165-172.

Hawthorne, F.C., Oberti, R., Ungaretti, L. and Grice, J.D. (1992) Leakeite, NaNa2(Mg2Fe3+2Li)Si8O22 (OH)2, a new alkali amphibole from the Kajlidongri manganese mine, Jhabua district, Madhya Pradesh, India. American Mineralogist 77, 1112-1115.

Gatta, G.D., McIntyre, G.J., Oberti, R. and Hawthorne, F.C. (2017) Order of [6]Ti4+ in a Ti-rich calcium amphibole from Kaersut, Greenland: a combined X-ray and neutron diffraction study. Physics and Chemistry of Minerals 44, 83-94.

Hawthorne, F.C. (2016) Short-range atomic arrangements in minerals. I: The minerals of the amphibole, tourmaline and pyroxene supergroups. European Journal of Mineralogy 28, 513-536.

Schindler, M., Sokolova, E., Abdu, Y., Hawthorne, F.C., Evans, B.W. and Ishida, K. (2008) The crystal chemistry of the gedrite-group amphiboles. I. Crystal structure and site populations. Mineralogical Magazine 72, 703-730.

Hawthorne, F.C., Schindler, M., Abdu, Y., Sokolova, E., Evans, B.W. and Ishida, K. (2008) The crystal chemistry of the gedrite-group amphiboles. II. Stereochemistry and chemical relations. Mineralogical Magazine 72, 731-745.

Oberti, R., Boiocchi, M., Zema, N., Hawthorne, F.C., Redhammer, G.J., Susta, U. and Della Ventura, G. (2018) The high-temperature behavior of riebeckite: expansivity, deprotonation, selective Fe oxidation and a novel cation disordering scheme for amphiboles. European Journal of Mineralogy 30, 437-449.

Hawthorne, F.C. and Harlow, G.E. (2008) The crystal chemistry of Al-rich amphiboles: Sadanagaite and potassic-ferrisadanagaite. Canadian Mineralogist 46, 151-162.

Della Ventura, G., Oberti, R., Hawthorne, F.C. and Bellatreccia, F. (2007) FTIR spectroscopy of Ti-rich pargasites from Lherz and the detection of O2- at the anionic O3 site in amphiboles. American Mineralogist 92, 1645-1651.

Hawthorne, F.C. & Harlow, G.E. (2008): The crystal chemistry of Al-rich amphiboles: Sadanagaite and potassic-ferrisadanagaite. Canadian Mineralogist 46, 151-162.

Hawthorne, F.C., Oberti, R., Ottolini, L. and Nayak, V.K. (2008) The crystal chemistry of alkali amphiboles from the Kajlidongri manganese mine, India. Canadian Mineralogist 46, 455-466.

Sokolova, E.V., Hawthorne, F.C., Kabalov, Y., Schneider, J. and McCammon, C. (2000) The crystal chemistry of potassic-ferrisadanagaite. Canadian Mineralogist 38, 669-674.

Hawthorne, F.C., Oberti, R., Zanetti, A. and Czamanske, G.K. (1998) The role of Ti in hydrogen-deficient amphiboles: Sodic-calcic and sodic amphiboles from Coyote Peak, California. Canadian Mineralogist 36, 1253-1265.

Oberti, R., Hawthorne, F.C. and Raudsepp, M. (1997) The behaviour of Mn in amphiboles: Mn in synthetic fluor-edenite and synthetic fluor-pargasite. European Journal of Mineralogy 9, 115-122.

Hawthorne, F.C., Oberti, R. and Sardone, N. (1996) Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order. Canadian Mineralogist 34, 577-593.

Hawthorne, F.C., Oberti, R., Ottolini, L. and Foord, E.E. (1996) Lithium-bearing fluor-arfvedsonite from Hurricane Mountain, New Hampshire: a crystal-chemical study. Canadian Mineralogist 34, 1015-1019.

Hawthorne, F.C. (1995) Entropy-driven disorder in end-member amphiboles. Canadian Mineralogist 33, 1189-1204.

Hawthorne, F.C., Ungaretti, L., Oberti, R., Cannillo, E. and Smelik, E.A. (1994) The mechanism of [6]Li incorporation in amphiboles. American Mineralogist 79, 443-451.

Hawthorne, F.C., Ungaretti, L., Oberti, R., Bottazzi, P. and Czamanske, G.K. (1993) Li: An important component in igneous alkali amphiboles. American Mineralogist 78, 733-745.

Oberti, R., Hawthorne, F.C., Ungaretti, L. and Cannillo, E. (1993) The behaviour of Mn in amphiboles: Mn in richterite. European Journal of Mineralogy 5, 43-51.

Oberti, R., Ungaretti, L., Cannillo, E. and Hawthorne, F.C. (1993) The mechanism of Cl incorporation in amphibole. American Mineralogist 78, 746-752.

Oberti, R., Ungaretti, L., Cannillo, E. and Hawthorne, F.C. (1992) The behaviour of Ti in amphiboles. I. Four- and six-coordinate Ti in richterite. European Journal of Mineralogy 3, 425-439.

Hawthorne, F.C. (1979) The crystal chemistry of the amphiboles. X. Refinement of the crystal structure of ferroglaucophane and an ideal polyhedral model for clinoamphibole. Canadian Mineralogist 17, 1‑10.

Hawthorne, F.C. (1978a) The crystal chemistry of the amphiboles. VI. The stereo‑chemistry of the octahedral strip. Canadian Mineralogist 16, 37‑52.

Hawthorne, F.C. (1978b) The crystal chemistry of the amphiboles. VIII. The crystal structure and site‑chemistry of fluor‑riebeckite. Canadian Mineralogist 16, 187‑194.

Hawthorne, F.C. (1978c) The crystal chemistry of the amphiboles. IX. Polyvalent cation ordering in amphiboles. Canadian Mineralogist 16, 521‑525.

Hawthorne, F.C. and Grundy, H.D. (1978) The crystal chemistry of the amphiboles. VII. The crystal structure and site‑chemistry of potassian‑ferri‑taramite. Canadian Mineralogist 16, 53‑62.

Hawthorne, F.C. and Grundy, H.D. (1977) The crystal chemistry of the amphiboles. III. Refinement of the crystal structure of a sub‑silicic hastingsite. Mineralogical Magazine 41, 43‑50.

Hawthorne, F.C. (1976) The crystal chemistry of the amphiboles. V. The structure and chemistry of arfvedsonite. Canadian Mineralogist 14, 346‑356.

Hawthorne, F.C. and Grundy, H.D. (1976) The crystal chemistry of the amphiboles. IV. X‑ray and neutron refinements of the crystal structure of tremolite. Canadian Mineralogist 14, 334‑345.

Hawthorne, F.C. and Grundy, H.D. (1973a) The crystal chemistry of the amphiboles. I. Refinement of the crystal structure of ferrotschermakite. Mineralogical Magazine 39, 36‑48.

Hawthorne, F.C. and Grundy, H.D. (1973b) The crystal chemistry of the amphiboles. II. Refinement of the crystal structure of oxykaersutite. Mineralogical Magazine 39, 390‑400.

Hawthorne, F.C. and Grundy, H.D. (1972) Positional disorder in the A‑site of clino‑amphiboles. Nature 235, 72.

Hawthorne, F.C. (1997) Short-range order in amphiboles: a bond-valence approach. Canadian Mineralogist 35, 203-218.

Hawthorne, F.C., Della Ventura, G. and Robert, J.-L. (1996) Short-range order of (Na,K) and Al in tremolite: An infrared study. American Mineralogist 81, 782-784. 

Hawthorne, F.C. (2016) Short-range atomic arrangements in minerals. I: The minerals of the amphibole, tourmaline and pyroxene supergroups. European Journal of Mineralogy 28, 513-536.

Hawthorne, F.C., Oberti, R. and Sardone, N. (1996) Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order. Canadian Mineralogist 34, 577-593.

Hawthorne, F.C. and Della Ventura, G. (2007) Short-range order in amphiboles. Reviews in Mineralogy and Geochemistry 67, Mineralogical Society of America and Geochemical Society, Washington D.C., 173-222.

Hawthorne, F.C., Ungaretti, L., Oberti, R., Cannillo, E. and Smelik, E.A. (1994) The mechanism of [6]Li incorporation in amphiboles. American Mineralogist 79, 443-451.

Hawthorne, F.C., Ungaretti, L., Oberti, R., Bottazzi, P. and Czamanske, G.K. (1993) Li: An important component in igneous alkali amphiboles. American Mineralogist 78, 733-745.

Hawthorne, F.C., Oberti, R., Zanetti, A. and Czamanske, G.K. (1998) The role of Ti in hydrogen-deficient amphiboles: Sodic-calcic and sodic amphiboles from Coyote Peak, California. Canadian Mineralogist 36, 1253-1265.

Della Ventura, G., Oberti, R., Hawthorne, F.C. and Bellatreccia, F. (2007) FTIR spectroscopy of Ti-rich pargasites from Lherz and the detection of O2- at the anionic O3 site in amphiboles. American Mineralogist 92, 1645-1651.

Gatta, G.D., McIntyre, G.J., Oberti, R. and Hawthorne, F.C. (2017) Order of [6]Ti4+ in a Ti-rich calcium amphibole from Kaersut, Greenland: a combined X-ray and neutron diffraction study. Physics and Chemistry of Minerals 44, 83-94.

Hawthorne, F.C., Della Ventura, G., Oberti, R., Robert, J-L. and Iezzi, G. (2005) Short-range order in minerals: amphiboles. Canadian Mineralogist 43, 1895-1920.

Della Ventura, G., Hawthorne, F.C., Robert, J.-L., Delbove, F., Welch, M.F. and Raudsepp, M. (1999) Short-range order of cations in synthetic amphiboles along the richterite-pargasite join. European Journal of Mineralogy 11, 79-94.

Hawthorne, F.C., Welch, M.D., Della Ventura, G., Liu, S., Robert, J.-L. and Jenkins, D.M. (2000) Short-range order in synthetic aluminous tremolites: An infrared and triple-quantum MAS NMR study. American Mineralogist 85, 1716-1724.

Della Ventura, G., Robert, J.-L., Sergent, J., Hawthorne, F.C. and Delbove, F. (2001) Constraints on F vs. OH incorporation in synthetic [6]Al-bearing in monoclinic amphiboles. European Journal of Mineralogy 13, 841-847.

Tait, K.T. and Hawthorne, F.C. (2001) Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada. Canadian Mineralogist 39, 1725-1732.

Heavysege, D., Abdu, Y. and Hawthorne, F.C. (2015) Long-range and short-range order in gem pargasite from Myanmar: Crystal structure refinements and infrared spectroscopy. Canadian Mineralogist 53, 497-510.

Day, M.C., Hawthorne, F.C., Susta, U., Della Ventura, G. and Harlow, G.E. (2019) Gem amphiboles from Mogok, Myanmar: crystal-structure refinement, infrared spectroscopy and short-range order-disorder in gem pargasite and fluoro-pargasite. Mineralogical Magazine 83, 361-371.

Day, M.C., Hawthorne, F.C., Susta, U., Della Ventura, G. and Harlow, G.E. (2018) Short-range order-disorder in gem richterite and pargasite from Afghanistan: Crystal-structure refinement and infrared spectroscopy. Canadian Mineralogist 56, 939-950.

Robert, J.-L., Della Ventura, G. and Hawthorne, F.C. (1999) Near-infrared study of short-range disorder of OH and F in monoclinic amphiboles. American Mineralogist 84, 86-91.

Della Ventura, G., Robert, J.-L. and Hawthorne, F.C. (1998) Characterization of OH-F short-range order in potassium-fluor-richterite by infrared spectroscopy in the OH-stretching region. Canadian Mineralogist 36, 181-185.

Robert, J.L., Della Ventura, G., Hawthorne, F.C. (1996) Infrared characterization of (OH,F)-pargasite. Physics and Chemistry of Minerals 23, 307.

Della Ventura, G., Robert, J.-L., Hawthorne, F.C. and Prost, R. (1996) Short-range disorder of Si and Ti in the tetrahedral double-chain unit of synthetic Ti-bearing potassium-richterite. American Mineralogist 81, 56-60.

Hawthorne, F.C., Della Ventura, G. and Robert, J.-L. (1996) Short-range order and long-range order in amphiboles: a model for the interpretation of infrared spectra in the principal OH-stretching region. In: Mineral Spectroscopy: A Tribute to Roger G. Burns, M.D. Dyar, C. McCammon and M.W. Schaefer, Eds., The Geochemical Society Spec. Pub. No. 5, 49-54.

Della Ventura, G., Robert, J.-L. and Hawthorne, F.C. (1996a) Infrared spectroscopy of synthetic (Ni,Mg,Co)-potassium-richterite. In: Mineral Spectroscopy: A Tribute to Roger G. Burns, M.D. Dyar, C. McCammon and M.W. Schaefer, Eds., The Geochemical Society Spec. Pub. No. 5, 55-63.

Oberti, R., Hawthorne, F.C., Ungaretti, L. and Cannillo, E. (1995) [6]Al disorder in amphiboles from mantle peridotites. Canadian Mineralogist 33, 867-878.

Oberti, R., Ungaretti, L., Cannillo, E., Hawthorne, F.C. and Memmi, I. (1995) Temperature-dependent Al order-disorder in the tetrahedral double-chain of C2/m amphiboles. European Journal of Mineralogy 7, 1049-1063.

Della Ventura, G., Hawthorne, F.C., Mihailova, B. and Sodo, A. (2021) Raman and FTIR spectroscopy of synthetic amphiboles: I. The OH librational bands and the determination of the OH-F content of richterites via Raman spectroscopy. Canadian Mineralogist 59, 31-41.

Della Ventura, G., Mihailova, B. and Hawthorne, F.C. (2021) Raman and FTIR spectroscopy of synthetic amphiboles: II. Divalent (Mg,Co) substitutions at the octahedrally coordinated sites. Canadian Mineralogist 59, 43-57.

Della Ventura, G., Hawthorne, F.C. and Iezzi, G. (2019) Synthesis and solid-solution in “rubidium richterite”, Rb(NaCa)Mg5Si8O22(OH,F)2. Physics and Chemistry of Minerals 46, 759-770.

Della Ventura, G., Iezzi, G., Redhammer, G.J., Hawthorne, F.C., Scaillet, B. and Novembre, D. (2005a) Synthesis and crystal chemistry of alkali amphiboles in the system Na2O-MgO-FeO-Fe2O3-SiO2-H2O as a function of fO2. American Mineralogist 90, 1375-1383.

Della Ventura, G., Redhammer, G.J., Iezzi, G., Hawthorne, F.C., Papin, A. and Robert, J.-L. (2005b) A Mössbauer and FTIR study of synthetic amphiboles along the magnesioriebeckite–ferri-clinoholmquistite join. Physics and Chemistry of Minerals 32, 103-113.

Iezzi, G., Della Ventura, G., Hawthorne, F.C., Pedrazzi, G., Robert, J.-L. and Novembre, D. (2005) The (Mg,Fe2+) substitution in ferri-clinoholmquistite, oLi2(Mg,Fe2+)3Fe3+2Si8O22 (OH)2. European Journal of Mineralogy 17, 733-740.

Della Ventura, G., Hawthorne, F.C., Robert, J.-L., Iezzi, G. (2003) Synthesis and infrared spectroscopy of amphiboles along the tremolite-pargasite join. European Journal of Mineralogy 15, 341-347.

Della Ventura, G., Robert, J.-L., Sergent, J., Hawthorne, F.C. and Delbove, F. (2001) Constraints on F vs. OH incorporation in synthetic [6]Al-bearing in monoclinic amphiboles. European Journal of Mineralogy 13, 841-847.

Hawthorne, F.C., Welch, M.D., Della Ventura, G., Liu, S., Robert, J.-L. and Jenkins, D.M. (2000) Short-range order in synthetic aluminous tremolites: An infrared and triple-quantum MAS NMR study. American Mineralogist 85, 1716-1724.

Robert, J.-L., Della Ventura, G., Welch, M.D. and Hawthorne, F.C. (2000) The OH/F substitution in synthetic pargasite at 1.5kbar, 850oC. American Mineralogist 85, 926-931.

Della Ventura, G., Hawthorne, F.C., Robert, J.-L., Delbove, F., Welch, M.F. and Raudsepp, M. (1999) Short-range order of cations in synthetic amphiboles along the richterite-pargasite join. European Journal of Mineralogy 11, 79-94.

Oberti, R., Hawthorne, F.C., Cámara, F. and Raudsepp, M. (1999) Unusual CM3+ cations in synthetic amphiboles with nominal fluoro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component. American Mineralogist 84, 102-111.

Della Ventura, G., Robert, J.-L., Hawthorne, F.C., Raudsepp, M. and Welch, M.D. (1998) Contrasting patterns of [6]Al order in synthetic pargasite and Co-substituted pargasite. Canadian Mineralogist 36, 1237-1244.

Oberti, R., Hawthorne, F.C., Cámara, F. and Raudsepp, M. (1998) Synthetic fluoro-amphiboles: site preferences of Al, Ga, Sc and inductive effects on mean bond-lengths of octahedra. Canadian Mineralogist 36, 1245-1252.

Hawthorne, F.C., Della Ventura, G., Robert, J.-L., Welch, M.F., Raudsepp, M. and Jenkins, D.M. (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite--tremolite join. American Mineralogist 82, 708-716.

Della Ventura, G., Robert, J.-L., Raudsepp, M., Hawthorne, F.C. and Welch, M.D. (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure-refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite. American Mineralogist 82, 291-301.

Oberti, R., Hawthorne, F.C. and Raudsepp, M. (1997) The behaviour of Mn in amphiboles: Mn in synthetic fluor-edenite and synthetic fluor-pargasite. European Journal of Mineralogy 9, 115-122.

Della Ventura, G., Robert, J.-L. and Hawthorne, F.C. (1996) Infrared spectroscopy of synthetic (Ni,Mg,Co)-potassium-richterite. In: Mineral Spectroscopy: A Tribute to Roger G. Burns, M.D. Dyar, C. McCammon and M.W. Schaefer, Eds., The Geochemical Society Spec. Pub. No. 5, 55-63.

Hawthorne, F.C. (1995b) A multinuclear NMR study of synthetic pargasite - discussion. American Mineralogist 80, 628-629.

Jenkins, D.M. and Hawthorne, F.C. (1995) Synthesis and Rietveld refinement of amphiboles along the join Ca2Mg5Si8O22F2–NaCa2Mg4Ga3Si6O22F2. Canadian Mineralogist 33, 13-24.

Oberti, R., Sardone, N., Hawthorne, F.C., Raudsepp, M. and Turnock, A.C. (1995b) Synthesis and crystal-structure refinement of synthetic fluor-pargasite. Canadian Mineralogist 33, 25-31.

Boschmann, K., Burns, P.C., Hawthorne, F.C., Raudsepp, M. and Turnock, A.C. (1994) A-site disorder in synthetic fluor-edenite, a crystal structure study. Canadian Mineralogist 32, 21-30.

Della Ventura, G., Robert, J.-L, Bény, J.-M., Raudsepp, M. and Hawthorne, F.C. (1993a) The OH-F substitution in Ti-rich potassium-richterites: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF. American Mineralogist 78, 980-987.

Della Ventura, G., Robert, J.-L., Raudsepp, M. and Hawthorne, F.C. (1993b) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic nickel magnesium cobalt potassium richterite. American Mineralogist 78, 633-640.

Robert, J.-L., Della Ventura, G., Raudsepp, M. and Hawthorne, F.C. (1993) Rietveld structure refinement of synthetic strontium-rich potassium richterites. Eutopean Journal of Mineralogy 5, 199-206.

Raudsepp, M., Della Ventura, G., Hawthorne, F.C. and Robert, J.-L. (1992) Powder diffraction data for synthetic potassium-richterite, nickel-potassium richterite and cobalt-potassium-richterite. Powder Diffraction 7, 52-55.

Raudsepp, M., Turnock, A.C. and Hawthorne, F.C. (1991) Amphiboles synthesis at low-pressure: what grows and what doesn't. European Journal of Mineralogy 3, 983-1004.

Raudsepp, M., Hawthorne, F.C., Turnock, A.C. (1989) Powder diffraction data for synthetic pargasitic and fluor‑pargasitic amphiboles. Powder Diffraction 4, 36‑39.

Raudsepp, M., Turnock, A.C., Hawthorne, F.C., Sherriff, B.L. and Hartman, J.S. (1987a) Characterization of synthetic pargasitic amphiboles (NaCa2Mg4M3+Si6Al2O22(OH,F)2; M3+ = Al, Cr, Ga, Sc, In) by infrared spectroscopy, Rietveld structure refinement and 27Al, 29Si, and 19F MAS NMR spectroscopy. American Mineralogist 72, 580‑593.

Raudsepp, M., Turnock, A.C. and Hawthorne, F.C. (1987b) Characterization of cation ordering in synthetic scandium‑fluor‑eckermannite, indium‑fluor‑eckermannite and scandium‑fluor‑nyböite by Rietveld structure refinement. American Mineralogist 72, 959‑964.

Hawthorne, F.C. (1983) Characterization of the average structure of natural and synthetic amphiboles. Periodico di Mineralogia 52, 543-581.

Hawthorne, F.C., Griep, J.L. and Curtis, L. (1980) A three‑amphibole assemblage from the Tallan Lake sill, Peterborough County, Ontario. Canadian Mineralogist 18, 275‑284.

Hawthorne, F.C., Oberti, R., Ottolini, L. and Nayak, V.K. (2008) The crystal chemistry of alkali amphiboles from the Kajlidongri manganese mine, India. Canadian Mineralogist 46, 455-466.

Hawthorne, F.C., Oberti, R., Cannillo, E., Ottolini, L., Roelofsen, J. and Martin, R.M. (2001) Li-bearing arfvedsonitic amphiboles from the Strange Lake peralkaline granite, Quebec. Canadian Mineralogist 39, 1161-1170.

Della Ventura, G., Oberti, R., Hawthorne, F.C. and Bellatreccia, F. (2007) FTIR spectroscopy of Ti-rich pargasites from Lherz and the detection of O2- at the anionic O3 site in amphiboles. American Mineralogist 92, 1645-1651.

Hawthorne, F.C., Oberti, R., Zanetti, A. and Czamanske, G.K. (1998) The role of Ti in hydrogen-deficient amphiboles: Sodic-calcic and sodic amphiboles from Coyote Peak, California. Canadian Mineralogist 36, 1253-1265.

Hawthorne, F.C., Oberti, R., Ottolini, L. and Foord, E.E. (1996) Lithium-bearing fluor-arfvedsonite from Hurricane Mountain, New Hampshire: a crystal-chemical study. Canadian Mineralogist 34, 1015-1019.

Hawthorne, F.C., Oberti, R., Cannillo, E., Ottolini, L., Roelofsen, J. and Martin, R.M. (2001) Li-bearing arfvedsonitic amphiboles from the Strange Lake peralkaline granite, Quebec. Canadian Mineralogist 39, 1161-1170.

Hawthorne, F.C., Oberti, R. and Martin, R.F. (2006) Short-range order in amphiboles from the Bear Lake Diggings, Ontario. Canadian Mineralogist 44, 1171-1179.

Uvarova, Y.A., Sokolova, E., Hawthorne, F.C., McCammon, C., Kazansky, V.I. and Lobanov, K.V. (2007) Amphiboles from the Kola Superdeep Borehole: Fe3+ contents from crystal-chemical analysis and Mössbauer spectroscopy. Mineralogical Magazine 71, 651-669.

Oberti, R., Hawthorne, F.C., Ungaretti, L. and Cannillo, E. (1995) [6]Al disorder in amphiboles from mantle peridotites. Canadian Mineralogist 33, 867-878.

Oberti, R., Boiocchi, M., Hawthorne, F.C. and Ciriotti, M. (2018) Ferro-tschermakite from the Ploumanac’h granitic complex, Brittany, France: mineral description. European Journal of Mineralogy 30, 171-176.

Oberti, R., Boiocchi, M., Hawthorne, F. and Ciriotti, M. (2018) Magnesio-hornblende from Lüderitz, Namibia: Mineral description and crystal chemistry. Mineralogical Magazine 82, 1253-1259.

Oberti, R., Boiocchi, M., Hawthorne, F.C. and Kristiansen, R. (2014) Ferri-fluoro-leakeite: a second occurrence at Bratthagen (Norway), with new data on Zn partitioning and the oxo component in sodium amphiboles. Mineralogical Magazine 78, 861-869.

Zwaan, J.C., Day, M.C., Hawthorne, F.C. and Laurs, B. (2021) Pargasite from Lajuar Madan, Badakhshan, Afghanistan. Journal of Gemmology 37, 675-677.

Day, M.C., Hawthorne, F.C., Susta, U., Della Ventura, G. and Harlow, G.E. (2019) Gem amphiboles from Mogok, Myanmar: crystal-structure refinement, infrared spectroscopy and short-range order-disorder in gem pargasite and fluoro-pargasite. Mineralogical Magazine 83, 361-371.

Day, M.C., Hawthorne, F.C., Susta, U., Della Ventura, G. and Harlow, G.E. (2018) Short-range order-disorder in gem richterite and pargasite from Afghanistan: Crystal-structure refinement and infrared spectroscopy. Canadian Mineralogist 56, 939-950.

Zwaan, J.C., Hawthorne, F.C. and Day, M. (2018) Cat’s-eye tremolite from Badakhshan, Afghanistan. Journal of Gemmology 36, 14-15.

Williams, C., Williams, B., Laurs, B.M., Hawthorne, F.C. and Day, M. (2017) More Tremolite from Tanzania. Journal of Gemmology 35, 701-702.

Heavysege, D., Abdu, Y. and Hawthorne, F.C. (2015) Long-range and short-range order in gem pargasite from Myanmar: Crystal structure refinements and infrared spectroscopy. Canadian Mineralogist 53, 497-510.

Zwaan, J.C. and Hawthorne, F.C. (2015) Tremolite from Mwajanga, Tanzania. Journal of Gemmology  34, 569-571.

Blauwet, D., Hawthorne, F.C., Muhlmeister and Quinn, E. (2004) Gem amphiboles from Afghanistan, Pakistan and Myanmar. Gems and Gemology 40, 254-256.

Tait, K.T., Hawthorne, F.C. and Della Ventura, G. (2001) Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada. Canadian Mineralogist 39, 1725-1732.

Susta, U., Della Ventura, G., Hawthorne, F.C., Abdu, Y.A., Day, M.C., Mihailova, B. & Oberti, R. (2018) The crystal chemistry of riebeckite, ideally Na2Fe2+3Fe3+2Si8O22(OH)2: a multi-technique study. Mineralogical Magazine 82, 837-852.

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