Family

• Phyllis (r.i.p.) and Robert Hughes, USA
• David Hughes, USA
• The extended Manorotkul clan, Thailand

Special Thanks

• Marc Bogerd
• John Emmett & Karen Palmer, Crystal Chemistry, USA
• Olivier Galibert, Hong Kong
• Gem and Jewelry Institute of Thailand (special thanks to Wilawan Atichat, Pornsawat Wathanakul, Chakkaphan Sutthirat, Thanong Leelawatanasuk, Visut Pisutha-Arnond, Wandee Mansrisuk)
• John & Kristi Koivula, microWorld of Gems & the GIA
• William Larson, Jeanne Larson, Josh Hall (ret.), John McClean (ret.), Jason Stephenson, William Larson, Jr., Carl Larson and the rest of the gang at Pala International, USA
• Vincent Pardieu, Fieldgemology.org, Thailand
• Julie Poli, Vietnam
• Dana Schorr (r.i.p.), Schorr Marketing, USA
• Zhou Zhengyu ('Adam'), Tongji University, China

Merci

• Lafir M. Abbas, The Choice, Sri Lanka
• Ahmadjan Abduriyim, GIA, Japan
• Lewis Allen, Lucas Amelung & Hans Pfister, Crown Color, Thailand & Hong Kong
• Rick Allen, Gem-Land Adventures, USA
• Apporv, Siam Pioneer Gems, Thailand
• E. "Hanuman" Aspler, Ganoksin.com, Thailand
• Zaheer Azizi, Azizi Enterprises, Thailand
• Walter Balmer, Switzerland
• Tom Banker, Thailand
• Bill Barker (r.i.p.), Barker & Co., USA
• Adolfo & Marta de Basilio, Spain
• Steven Baughman, USA
• Joe & Pirapan Belmont, KV Gems, Thailand
• Steve Bennett, UK
• Jeffery Bergman, Primagem, Thailand
• Riccardo Bertoncelli, Italy
• Jeffrey Bilgore, USA
• Rick Blankenhorn, the Gemmary, USA
• Dudley Blauwet & Kevin Ringer, Mountain Minerals, USA
• Edward Boehm, RareSource.com, USA
• Gary Bowersox, Geovisions, USA
• George Bosshart (r.i.p.), Switzerland
• Eric Braunwart, Columbia Gem House, USA
• James Breski, USA
• Barry Broman, USA
• Cal Brown, USA
• Peter (r.i.p.) & Eileen Brown, Australia
• Richard Brown, Thailand
• Grahame Browne (r.i.p.), Australia
• Charles Cameron, USA
• Jane Carleton, USA
• Anne Carroll Marshall, Hong Kong
• Cartier, France
• Loretta Castoro, USA
• Tom Chatham, Chatham Gems, USA
• Thongsak Chintakanrock, Expert Gems, Thailand
• Christie's, various locations
• Fred & Sopha Chu, Prosper International, Thailand
• Ed Cleveland, Kashmir Blue, USA
• Terry Coldham, Australia
• Chris Cooney, Gem Mountain, USA
• Paula Crevoshay & Martin Bell, Crevoshay Co., USA
• Tom Cushman, Madagascar
• Bruce Davidson (r.i.p.), Sri Lanka
• Dona Dirlam, GIA Library (retired), USA
• Katia Djevahirdjian, Hrand Djevahirdjian, Switzerland
• Richard Drucker & Stuart Robertson, Gemworld, USA
• Garry Du Toit, Thailand
• Manfred Eickhorst, Eickhorst, Germany
• Jim & Jennie Elliot, Australia
• Hemi Englisher, Gemcal, Thailand
• Thomas Färber, Switzerland
• Elaine Ferrari-Santhon, USA
• Conny Forsberg, Sweden
• Thomas Frieden, Frieden & Co., Switzerland
• Masaki Furuya, Japan
• Lyndsey Roy Hamm, Canada
• Ian Harebottle, Adrian Banks & Gabriella Harvey, London
• Gems By Nomads, Thailand
• Didier Giard (r.i.p.), France
• David Glickman (r.i.p.), Thailand
• Jan Goodman, Jan Goodman Co., Thailand
• Gene Goldsand, USA
• Mike and Pat Grey, Coast-to-Coast Gems, USA
• Daniel Grondin, Madagascar
• Peter Grumitt, Apsara Gems, UK
• Eduard Gübelin (r.i.p.), Switzerland
• Thomas Hainschwang, GGTL Laboratories, Liechtenstein
• Tino Hammid (r.i.p.), Tino Hammid Photography, USA
• Henry Hänni (r.i.p.), Switzerland
• Hayley Henning, TanzaniteOne, USA
• Han Htun, Myanmar
• George Harlow, American Museum of Natural History (retired), USA
• W.K. (r.i.p.) & Henry Ho, Thailand
• Alan (r.i.p.) & Charlene Hodgekinson, UK
• Hpone-Phyo Kan-Nyunt, Gübelin Gem Lab, Hong Kong
• Simon Hsu, Sino Resources, Hong Kong
• Neal Hurni, Lewis and Clark Sapphires, USA
• Christina Iu, Japan
• Kunal Jain, Sachi Gems & Tools, Thailand
• Matee Jungsanguansith, World Sapphire, Thailand
• Leonard S.N. Kalindekafe & Levison Wesley Undi, Malawi
• Susie & Kennedy Kamwathi, Kennedy's Gems, Kenya
• Robert Kane, Fine Gems International, USA
• John Kanyangira, Rwanda
• Alice Keller, USA
• Jason C.H. Kao, China
• Lore Kiefert, Germany
• Allen Kleiman, USA
• Ajith Konara, Kaluganga Gem Centre, Sri Lanka
• Nickolai Kouznetzov, Thailand
• Rick Krementz, USA
• Michael Krzemnicki, Laurent Carier & Jean-Pierre Chalain, SSEF, Switzerland
• Lai Tai-An ('Larry'), China
• Tony Laughter, USA
• Brendan Laurs, USA
• Barbara Lawrence, USA
• Tom Lee, USA
• Alexander Leuenberger, Switzerland
• Liu Shangi ('Edward'), China
• Peter Lyckberg, Sweden
• Louis Lo, Hong Kong
• Abdul Mahomed, Royal Group, Malawi
• Jeff Mason & Don Kay, Mason-Kay, USA
• Neal Masson, Thailand
• Antoinette Matlins, USA
• Gabriel Mattice, USA
• Shane McLure, GIA, USA
• Yianni Melas, Cyprus
• Wong Ming, Hong Kong
• Justin Mmbaga, Longido, Tanzania
• Robert, Fred and Pascal Mouawad
• Roland Naftule, USA
• Omi & Niveet Nagpal, Omi Gems, USA
• Kurt Nassau (r.i.p.), USA
• Robert G. Nkini, Tanzania
• Marc Noverraz, Madagascar
• Daniel Nyfeler, Gübelin Gem Lab, Switzerland
• Donald A. Palmieri, USA
• Adam Parker, York Museum, UK
• Adolf Peretti, GRS, Bangkok
• Paul Picus, Mexico
• Ronnachai Porwongsawang, Elegant Gems, Thailand
• Jeffrey Post & Russell Feather, Smithsonian Institution (retired), USA
• Todd A. Pownell, USA
• Charlotte Preston (r.i.p.), USA
• Ali Sanaei Rad, Central Bank of Iran
• Nirina Rakotosaona, Madagascar
• Peter Read (r.i.p.), UK
• Ricardo V. Reyes
• James Riley, UK
• Elaine Rohrbach, USA
• The Rogers Family, USA & Thailand
• Doug Ross, USA
• George Rossman, CalTech, USA
• Chavalit Salwala (r.i.p.), Thai Lapidary, Thailand
• Saw Naung U (r.i.p.), Daw Khin Soe Myint, Saw Sanda Soe & Ei Ei, Myanmar
• Alberto Scarani & Mikko Åstrom of GemmoRaman, Italy & Finland
• Ken & Sriurai Scarratt, Thailand
• Joseph Schall, USA
• Roland Schluessel, USA
• Jeff Scovil, Scovil Photography, USA
• Rogers S. Sezinga, Tanzania
• John, Mark & Eric Saul, France & Tanzania
• Jon Sigerman, USA
• Santpal Sinchawla, Sant Enterprises, Thailand
• Manus Siripatvanich, House of Goldsmiths, Thailand
• Elise Skalwold, USA
• Christopher Smith, AGL, USA
• Mark Smith, Thai-Lanka Trading, Thailand
• Somkhit Sodkaew, Sapphire Miners Cyangugu, Rwanda
• Sotheby's, various locations
• Tim Spauwen, The Netherlands
• David Squires, InStore magazine, USA
• Martin Steinbach, Germany
• Judy Steinberg-Bricker, USA
• Issac Stern
• John and Linda Stimson, Rocks of Ages, USA
• Patrick Streeter, UK
• Chetan and Kaimesh Sukhadia, Sukhadia Stones, Thailand
• Abe Latif Suleman, Tucker International, Tanzania
• Sarawut Sunantra, Wongwan Gems, Thailand
• Maha Tannous, USA
• Tay Thye Sun, Singapore
• Por Kuang Tang, PK Gems and Gold, Thailand
• Petcharaporn Tantiwong, Thailand
• Tom & Myriam Tashey, Professional Gem Sciences, USA
• Ted Themelis, Gemlab, Thailand
• Matt Thompson, USA
• Prida Tiasuwan, Pranda, Thailand
• Veerasak and Tanyaporn Trirotanan, Veerasak Gems, Thailand
• Votha Un (r.i.p.), Cambodia
• Harold & Erica Van Pelt, USA
• Jim Varak, Australia
• Ben Vardi of Vardi Coloredhouse
• Fred (r.i.p.) & Charlotte Ward, USA
• Simon & Laurie Watt, Mayer & Watt, USA
• Robert & Rolf Weiser, USA
• David Weinberg, Multicolour Gems, Bangkok
• Robert Weldon, USA
• Bear & Cara Williams, USA
• Jack Wilson, Australia
• Richard & Rebekah Wise, USA
• John Woodmark & Bruce Moore, Desert Sun Mining & Gems, USA
• Larry Woods, Jewels from the Woods, USA
• Vlad Yavorskyy, Yavorskyy, Thailand
• Wilson Yuen, Able Lapidary, Hong Kong
• Philip Zahm & family, Philip Zahm Designs, USA
• Ray & Sheila Zajicek, Equatorian Imports, USA
• Gamini Zoysa, Mincraft, Sri Lanka
• Urs Zwyssig, Thailand

...and many more.