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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Afghanite, Diopside, Calcite, Minor Phlogopite - Afghanistan
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SKU: MSW1435
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Bright blue Afghanite crystals atop a matrix. The blue-white fluorescence in the layered matrix appears to be massive diopside, mixed with massive phlogopite (fluorescent SW bright yellow/butterscotch). On both sides, there is calcite fluorescent red.
We prefer displaying this specimen under shortwave and longwave UV light as that makes each corresponding mineral pop, but they are respectable under any wavelength.
"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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