0.85 Carat AAA Grade MariGold Color Extremely Rarest Chlinohumite Gemstone

Item Information

Dimensions (mm) 4 x 4 x 1mm
Weight (carats) 0.85 carats
Colors
No Treatment

Clinohumite is an uncommon member of the humite group, a magnesium silicate according to the chemical formula (Mg, Fe)9(SiO4)4(F,OH)2. The formula can be thought of as four olivine (Mg2SiO4), plus one brucite (Mg(OH)2). Indeed, the mineral is essentially a hydrated olivine and occurs in altered ultramafic rocks and carbonatites. Most commonly found as tiny indistinct grains, large euhedral clinohumite crystals are sought by collectors and occasionally fashioned into bright, yellow-orange gemstones. Only two sources of gem-quality material are known: the Pamir Mountains of Tajikistan, and the Taymyr region of northern Siberia. It is one of two humite group minerals that have been cut into gems, the other being the much more common chondrodite

Natural Stone

Cut : Round Cut

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$150.00 USD

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Pricing & Details

Auction ID 1038553
Watchers 0 watching
Viewed 63 times
Starts 22nd Oct 2019 10:50am PDT

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