Adularescent Moonstone, photograph Wimon Manorotkul, reproduced courtesy Pala International.
Offprints (publication): Sinkankas Symposium Gem Feldspars — 2010
A publication of selected papers prepared for the symposium and articles on Gem Feldspars is available for purchase
Cost: USD 25.00 + shipping (varies according to shipping options and destination)
Specifications: 8/5" x 11"; soft cover, color
Please use the form below to request an offprint. Do not include credit card or sensitive personal information in your message; you will be contacted to discuss shipping options and process an order. Please be sure to include first and last name and a valid email address, phone number.
Table of Contents
Acknowledgments iv
Speaker and Author Biographies v
Articles –
Si and Ann Frazier, The Feldspar Family–The Jones Family of Minerals: Even more fecund than the Quartz Family 1
Jo Ellen Cole, Pricing Gem Quality Feldspar 5
Si and Ann Frazier, Spectacular Spectrolite 7
Dr. Skip Simmons, Karen Webber and A. U. Falster, Gem Feldspars from South Betroka, Madagascar 15
Shou-Lin Lee, In Search of Sun, Moon and Rainbow–A Lapidary's Notes on Cutting Feldspar 17
Si and Ann Frazier,The Gem Feldspars: A Colorful Ménage á Trois 25
Photo Gallery of Feldspars 35
John Koivula, The Microworld of Gem Feldspars 54
Lisbet Thoresen and Dr. James A. Harrell, Archaeogemology of Amazonite 58
John Sinkankas, Feldspar Group (reprinted from Gemstones of North America) 63