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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Calcite - Franklin, New Jersey
$0.00 USD
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SKU: MSJ0177
Weight and Dimensions
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Nicely fluorescent under midwave and shortwave, from the world famous Buckwheat Dump. This piece displays brief intense phosphorescence, as does all manganese active calcites. Striking under midwave UV and very unusual.
Brief intense phosphorescence, or ÒBIPÓ, is a phenomenon where for a brief moment immediately after the shortwave lamp is turned off, it displays a very short-lived, but bright phosphorescence or flash. ItÕs very difficult to capture this in the photos.
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"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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