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 (Gem Notes) 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.
Peretti, A., Armbruster, T., Günther, D., Grobéty, B., Hawthorne, F.C., Cooper, M.A., Simmons, W.B., Falster, A.U., Rossman, G.R. and Laurs, B.M. (2004) The challenge of the identification of a new mineral species: example “pezzottaite”. Contributions to Gemology 3, 1-12.
Hawthorne, F.C., Cooper, M.A., Simmons, W.B., Falster, A.U., Laurs, B.M., Armbruster, T., Rossman, G.R., Peretti, A., Günter, D. & Grobéty, B. (2004): Pezzottaite, Cs(Be2Li)Al2Si6O18, a spectacular new beryl-group mineral from the Sakavalana pegmatite, Fianarantsoa Province, Madagascar. Mineralogical Record 35, 369-378.
Laurs, B.M., Simmons, W.B., Rossman, G.R., Quinn, E.P., McClure, S.F., Pereti, A., Armbruster, T., Hawthorne, F.C., Falster, A.U., Günther, D., Cooper, M.A. and Grobéty, B. (2003) Pezzottaite from Ambatovita, Madagascar: A new gem mineral. Gems and Gemology 39, 284-301.
Simmons, W.B., Falster, A.U., McClure, S.F., Quinn, E.P., Rossman, G.R. and Hawthorne, F.C. (2003) Gem News: A new saturated purplish pink Cs-“beryl” from Madagascar - preliminary analyses. Gems and Gemology 39, 50-54.
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.