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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Gem Sodalite, Chkalovite, Analcime, Minor Tugtupite - Greenland
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SKU: MSG1554
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Large and gemmy piece of tenebrescent sodalite from Greenland hand-mined by us. The sodalite area displays some interesting phosphorescence – we don’t usually see this in Greenland sodalite. Very unique stuff.
Throughout the specimen there are small dots of red fluorescent tugtupite. Under longwave UV light it is pretty much all a deep orange with the exception of the bottom, fluorescing a bluish white - might be chkalovite, or might be an unknown/unidentified mineral.
"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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