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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Adamite, Calcite - Mexico
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SKU: MSW1426
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Sparkling, yellow-green, adamite crystals embedded in a limonite matrix shows a bright green fluorescence under midwave but is respectable under all wavelengths. Larger, well-formed, white calcite crystals are found scattered throughout the matrix and also exhibit a light blue fluorescence – not often seen.
The contrasting colors make for a very nice cabinet specimen.
"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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