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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"Fantasy Rock" Tugtupite, Sodalite, Chkalovite, Analcime - Greenland
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SKU: MSJ0300
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A mini fantasy rock with excellent chkalovite eyes. A very bright and rich piece with nice tenebrescence.
The main minerals on this specimen are tugtupite (cherry red SW), along with chkalovite (the rarer pearly white variety – a classic example of how tugtupite replaces chkalovite), bright blue analcime, sodalite (orange) and black arfvedsonite throughout the matrix. Under LW both the tugtupite and the sodalite fluoresce a bright orange (more salmon for the tugtupite).
The nickname Fantasy Rock encompasses a group of rocks found on the Taseq Slope in the Ilimaussaq Complex, Greenland and only in this one locality within the complex. A typical Fantasy Rock usually consists of four basic minerals: tugtupite, sodalite, chkalovite, analcime, and they are always the most color-rich pieces from this exotic, remote locale.
"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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