Green Hauyne : A New Afghan Gem Discovery - Thai Lanka Trading
网页2024年7月12日 · In late 2023 we heard rumors of ‘Green Sodalite’ coming from the lapis mining area at Sar-i-Sang, in northeastern Afghanistan. In December we were shown cut gems of this material and, though mostly small, they were unusual and interesting.
Green hauyne and photochromic sodalite, Koksha valley, Afghanistan
网页Aug 8, 2023. Green hauyne and photochromic sodalite, Koksha valley, Afghanistan. Specimens like this are mostly sold as green and purple sodalite, but most are massive pieces. This piece contains part of a crystal that reveals what happened. The green is the first to crystalize.
What is Tenebrescence? (All about Hackmanite
网页2015年1月2日 · Some sodalites have very long lasting tenebrescence, most notably specimens from Afghanistan and a single area in Greenland (to date). The deep purple color can last for months in total darkness and often specimens only fade to a dark pink color (seemingly their natural color).
Sodalite - Wikipedia
网页Hackmanite dodecahedron from the Koksha Valley, Afghanistan. Hackmanite is a variety of sodalite exhibiting tenebrescence. [14] When hackmanite from Mont Saint-Hilaire (Quebec) or Ilímaussaq (Greenland) is freshly quarried, it is generally pale to deep violet but the color fades quickly to greyish or greenish white.
Sodalite (Hauyne?), Phlogopite, Gonnardite, Unknowns - Afghanistan
网页2017年6月10日 · Afghanistan is in that state now. Phlogopite, afghanite, usually marialite are pretty obvious, but there are many minerals which will take time to identify - especially given the very limited access we have to the mining locales. This …
The Mineral sodalite - The Mineral and Gemstone Kingdom
网页The premier locality for Sodalite, where it occurs in large, well-formed crystals and also occurs in the Hackmanite variety, is the historic Lazurite mines at Sar-e-Sang, Kokcha Valley, Badakshan Province, Afghanistan. Large blue Sodalite masses come from Poços de Caldas, Minas Gerais, Brazil; and tiny colorless crystals are found in Italy at ...
Afghanite from Badakhshan in Afghanistan - SSEF
网页One of these rare collector stones is afghanite, a complex hydrated silicate, first discovered and described in 1968 from the famous lapis lazuli occurrence of Sar-e-Sang in the Badakshan Province in northeastern Afghanistan (Bariand et al. 1968).
网页In recent years, significant amounts of gem-quality sodalite/hackmanite—some unusually transparent—have been produced from the Mogok region of Myanmar and Badakhshan Province in Afghanistan. Samples from both countries varied in color, transparency, UV fluorescence/phosphorescence, tenebrescence, and UV-Vis-NIR spectra.
Sodalite
网页Unnamed Gem Sodalite occurrence, Ladjuar Medam, Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan. From the extremely small find of May, 2009, this is a superb specimen of gem sodalite on sulphur with well-formed pyrite crystals.
Hackmanite/Sodalite from Myanmar and Afghanistan | Gems …
网页In recent years, significant amounts of gem-quality sodalite/hackmanite—some unusually transparent—have been produced from the Mogok region of Myanmar and Badakhshan Province in Afghanistan. Samples from both countries varied in color, transparency, UV fluorescence/phosphorescence, tenebrescence, and UV-Vis-NIR spectra.
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