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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Hyalite Opal - South Africa
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SKU: MSW1530
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Hyalite opal fluorescent under all wavelengths. Under white light, this specimen features colorless transparent, glassy bubbles of hyalite opal. Under UV light, this specimen glows bright green under shortwave, midwave and longwave. Trace amounts of uranyl are the reason for this bright green glow.
Under indirect sunlight with the best results on a cloudy day, you’ll see a green fluorescence without the use of any UV lights (excluding the UV light from the sun). This is what we call “daylight fluorescence”.
"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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