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Glaucophane & Fuchsite

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SMM652930

Glaucophane & Fuchsite

Description Tabs

Description
Locality: 
Rio Oremo, Chiavolino, Pollone, Biella Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.4 cm
Description

Blue crystals of glaucophane and green crystals of fuchsite, a biotite variety.

Boxed with Label
Mineral Data
What's on the rock

Glaucophane

Formula: 
◻[Na2][Mg3Al2]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0 - 6.0
Type Locality: 
Syros Island (Syra), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands Department (Aiyaíon), Greece

Fuchsite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Formula: 
K(Al,Cr)3Si3O10(OH)2
Hardness: 
0.0

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