Quartz Crystals on Calcite - San Antonio Mine, Chihuahua, Mexico
Small delicate crystals of bright green fluorescing quartz are peppered around a matrix of calcite on this striking specimen.
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Tugtupite, Polylithionite, Analcime, Chkalovite - Greenland
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SKU: MSG1416
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A large, very rich coverage piece of tugtupite. Bright cherry red tugtupite along with analcime (fluorescing bluish color). Exceptionally bright yellow/white polylithionite adds a nice contrast. Not the shift in color of the tugtupite under MW, very pretty color.
Tugtupite is a very rare mineral - found in only three places around the world (Kola Russia, Mt St Hilaire, and Greenland). Pieces from Greenland are the most sought after due to coverage, size and brightness. This material is from the Taseq Slope. Bright cherry red tugtupite with a very bright rare variety of lithium mica - polylithionite. The matrix is albite (or possibly analcime Ð an area of confusion) which fluoresces a dull magenta SW and a dull bluish/white LW.
"Red" Sodalite (Hackmanite) - Deeply Tenebrescent Greenland Mineral
Red sodalite is named for the color it takes on when exposed to sunlight; it is nicely tenebrescent under longwave UV. Under shortwave UV the color deepens, in seconds, to almost black in some areas.
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A Short Study on Rare Occurrences of Apatite from the Ilimaussaq Complex, Greenland
Rarest of the rare from Greenland - apatite has only been observed in a handful of pieces over the decade+ we have been exploring Greenland. Blue apatite crystals fluorescing under UV.
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