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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Greenlandite (Aventurine) Sphere
$255.00 USD
SKU: MSG1430
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A beautiful, very rare greenlandite sphere.
Greenlandite has been used as a gemstone in Greenland for many years, justly marketed as “the world’s oldest gemstone”.
Greenlandite was discovered in the 1960s in Isukasia north of Nuuk. The geological environment in which greenlandite was formed was in the order of 3.8 billion years old. This means that we are talking about one of the earths oldest formations!
Geologically speaking, the rock consist of quartzite with a large content of a green minerals - fuchsite - evenly distributed throughout, giving the stone a fresh green color. Greenlandite is a hard mineral, often translucent with a metallic inner glow derived from its many spangles. This type of stone is also known, in the jewelry trade, as aventurine quartz.
"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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