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Annite & Almandine

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SKY683515

Annite & Almandine

Rare Mineral

Description Tabs

Description
Locality: 
Kawai Mine, Ena City, Gifu Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.3 × 0.5 cm
Description

Black crystals of annite associated to orange almandine from a Japanese locality.

Mineral Data
What's on the rock

Annite

Formula: 
KFe2+3(AlSi3O10)(OH)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
Black
Type Locality: 
Rockport, Essex Co., Massachusetts, USA

Almandine

Formula: 
Fe2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Alabanda, Aydin Province, Aegean Region, Turkey

Seller Information

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