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Annite

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SHS1069567

Annite

Description Tabs

Description
Locality: 
Sagåsen Quarry, Mørje, Porsgrunn, Vestfold og Telemark, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4 × 2.5 cm
Description

Annite in matrix

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