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Main page » Catalogue » Crystals and Rough » Sillimanite (Fibrolite) » sold specimens » Sillimanite crystal with Chiastolite cab



Sillimanite crystal with Chiastolite cab


Product No.: ni32-003



 
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
Sillimanite crystal with Chiastolite cab
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Sillimanite crystal with Chiastolite cab

 

 

Mineral:
Sillimanite (Fibrolite)
Chemical Formula:
Al2SiO5
Size:
15,2 x 5,3 x 4,5 & 11,4 x 11,2 x 6,9 mm
Weight:
12,77 ct or 2,554 g
Transparence:
transparent
Quantity:
2
Origin:
Ohngaing (Ohn Gaing; Ohn Kai) village, near Mogok, Burma (Myanmar)

A quiet sharp single terminated sillimanite crystal with bright blue coloration and distinctive, sharp habit. Normally crystals from this species are pretty rounded by fluviatile transport. In general andalusite is a polymorph variety of Kyanite or Sillimanite, chemical those are the same, the difference lays in the crystal structure, due to other pressure and temperature condition during the genesis. A variety of andalusite is chiastolite which is found west of Mandalay, while the sillimanite is found around Ohn Gaing.