 | | Journal (issue) | | and Alfred A. Levinson Emeralds of the Panjshir Valley, Afghanistan Gary Bowersox, Lawrence W Snee, Eugene...Kimberley pipes in South Africa; those from the Premier mine appeared to be about 1,200 My in age. However, Richardson...inclusion in a diamond ( I mm across) from the Finsch mine, South Africa, was dated by geochronological methods...diamonds and lzimberlite emplacement at the Premier mine. This suggests that, in this example, they may be...be contemporaneous. Whether the Premier mine is unusual awaits the determination of diamond ages from |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we • pay tribute to John Sinkankas to whom this emerald issue is dedicated. John Sinkankas wrote more...than 15 books including his 1981 definitive work Emerald and Other Beryls. He set standards for authors...Gloria & Gunther A 2001 Find of top-quality emerald crystals from La Pita at Maripi, Boyac |  | | Report (issue) | | Mines and Mineral Occurrences of Afghanistan Compiled by G.J. Orris1 and J.D. Bliss1 Open-File Report...APPENDIX A: Afghanistan Mines and Mineral Occurrences.. 11 TABLES Table 1. Provinces of Afghanistan ........more than 1000 mines and mineral occurrences in Afghanistan was compiled from published literature and the...PROCESSING, AND ACCURACY Data on more than 1000 Afghanistan deposits, mines, and occurrences were compiled...coal, and peat. Three previous compilations of Afghanistan mineral resources were the dominant sources used |  | | Journal (issue) | | ARTICLES 192 A Status Report on Gemstones from Afghanistan Gary W. Bowersox A Proposed New Classification...of publishing the article on gemstones from Afghanistan that leads off this issue, we approached some...than in that of the dealer who purchased a fine "emerald" crystal on Bogota's famed Avenida Jimenez, only...REPORT ON GEMSTONES FROM AFGHANISTAN By Gary W. Bowersox A l t h o u g h Afghanistan h a s historically been...lazuli deposits, significant a m o u n t s of fine emerald, tourmaline, k u n z i t e , a n d s o m e rubies |  | | Book | | TRUE ADVENTURES OF AN AMERICAN IN AFGHANISTAN ABOUT THIS BOOK... This is the story of one man’s endeavor...He finds it all in the Hindu Kush region of Afghanistan but not without risking his life. In this book...figures) is a must read for anyone interested in Afghanistan, gems, geography, travel, or U.S., Middle East...O00bowe TRUE ADVENTURES OF AN AMERICAN IN AFGHANISTAN GARY W. BOWERSOX Editing By: Jonathan Ross,...Hunter — True Adventures of an American in Afghanistan Gary W. Bowersox www.gems-afghan.com First published |  | | Journal (issue) | | tourmaline, (11) 2.16 ct demantoid, (12) 1.05 ct emerald, (13) 1.99 ct red beryl, (14) 0.72 ct ruby, (15)...available. Or the devastation inflicted on the emerald market when the stability of new and even traditional...marketed, and merchandized. In diamonds especially, the mine-to-market process has been severely tested. Vertical...central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China), and Australia...more commercially important gem materials (i.e., emerald and other beryls, alexandrite and other chrysoberyls |  | | Book (volume) | | Altai). “Tashtacol (Gornyi sete. (Altai-Sayan district); Chokadam-Bulak (Tadzhikistan) Magnetite and...proper) in the Isovsk region of the Sverdlovsk district 30 km to the northwest Nizhnyaya Tura railway...deposit lies in the Kirovsk region of the Murmansk district. It is confined to a massif of the same name consisting...CONTACT-METASOMATIC GROUP The Peschansk Deposit This district. It deposit consists is located of the 10...northeastern margin of Kushva in the Sverdlovsk District in the zone of the discordant contact between |
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