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Blatterite

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JYJ641138

Blatterite

Description Tabs

Description
Locality: 
Kitteln Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.9 × 0.5 cm
Description

Striated black blatterite crystal in matrix from Kittelgruvan among minor manganosite. 

 

Mineral Data
What's on the rock

Blatterite

Formula: 
(Mn2+,Mg)2(Mn3+,Sb3+,Fe3+)(BO3)O2
Strunz: 
6.AB.40
Hardness: 
6.0
Type Locality: 
Kitteln Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden