 | | Journal (issue) | | alluvial sapphires from Russia’s Jewish Autonomous District. 266 A New Deposit of Gem-Quality Grandidierite...in Mexico • Colored gemstone mining update from Tanzania • Purple pyrope-almandine garnet from Mozambique...corundum-bearing rocks at Sutara, in the Jewish Autonomous Region of the Russian Far East. The authors postulate...741.2 nm and related absorption in the visible region; the latter imparts a green to blue color. An interesting...with absorption, which extends into the visible region and becomes less intense at shorter wavelengths |  | | Journal (issue) | | Gem News International Facet-grade ruby from Tanzania • Fiftieth anniversary of tsavorite discovery...ct Constellation, was recovered from the Karowe mine in Botswana in November 2015. It is currently the...from a larger type IIa diamond from the Letšeng mine, Lesotho (sample Letseng_889, inclusion F). For...the depth between 360 and 750 km, overlapping the region of the mantle known as the mantle transition zone...the large diamond offcut samples from the Letšeng mine in Lesotho. In it, two majoritic garnets were observed |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 PRELIMINARY...866-835-3243 Email: Bid@HA.com Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Thursday...Ordovician, Asery Level Formation Wolchow River Region, St. Petersburg, Russia As if it were not enough...costatum species and was mined at the Korite Oxbow Mine which has been closed since the early 2000s. The...Formation Niobrara County, Wyoming, USA The Badlands region of the United States is well known to fossil collectors |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates |
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