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Cancrinite Cabochon

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Very rare Cancrinite cabochon from Russia.
Cancrinite is mineral, a complex carbonate and silicate of sodium, calcium and aluminium; formula Na6Ca2[(CO3,Al6Si6O24].a 2H2O. It is classed as a member of the Feldspathoid group of mineral; the alkali feldspars that a poor in silica. Yellow, orange, pink, white or even blue, it has a vitreous or pearly lustre; hardness 5-6 and an ineven conchoidal fracture. It is unusual among the silicate minerals in that it will effervesce with hydrochloric acid due it the associated carbonate ions.

Found originally in 1839 in the Ural Mountains, it is named after Count Kankrin, a

Russian minister of finance.




Size: 39x30x3mm,

weight: 9.8g.

Cancrinite Cabochon

Overview

  • Handmade item
  • Materials: Cancrinite, Stone, Mineral
  • Ships worldwide from United States
  • Feedback: 999 reviews
  • Favorited by: 6 people