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Berzeliite & Manganophyllite

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CLB513048

Berzeliite & Manganophyllite

Type Locality

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.7 × 4 cm
Description

Rare yellow berzeliite from the type locality (only 7 or 8 localities worldwide) with glossy, copper-brown manganophyllite (a biotite-variety) on matrix.

Mineral Data
What's on the rock

Berzeliite

Formula: 
NaCa2(Mg,Mn2+)2(AsO4)3
Strunz: 
8.AC.25
Crystal System: 
Isometric
Hardness: 
4.5 - 5.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Manganophyllite

Variety Of: 

Biotite

Formula: 
K(Mn,Mg,Al)2-3(Al,Si)4O10(OH)2
Crystal System: 
Hexagonal
Hardness: 
0.0

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