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, Hauyne, Diopside, Gonnardite, Calcite - Afghanistan
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SKU: MSW1398
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Well-formed afghanite crystals fluorescent a yellow-brown under LW and calcite on a matrix with diopside. The diopside bluish white under SW. We prefer displaying these specimens under fullwave (FW) as that makes each corresponding mineral pop, but they are respectable under any wavelength. The matrix which the calcite and afghanite sits on appears to be massive diopside, both crystals and massive.
"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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