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Cut Clinohumite

SKU: DGJ001C | 1278 Total Views

  US $6,500 
1 pcs
Location  Thailand

Shape  Cushion

Approx. Weight  32.49 Carats

Approx. Dimensions 17.95 x 19.60 x 11.40 mm

Origin  Tajikistan

Owner's Description  

Natural Orange Clinohumite  32.49 Cts  $  for the piece Clinohumite is an uncommon member of the humite group, a magnesium silicate according to the chemical formula (MgFe)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.

Moha’s scale hardness : 6


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