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Filipstadite & Jacobsite & Ganomalite

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SHS145933

Filipstadite & Jacobsite & Ganomalite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.6 × 1.3 cm
Description

Filipstadite with jacobsite and ganomalite in matrix

Mineral Data
What's on the rock

Filipstadite

Formula: 
(Sb0.5Fe0.5)Mn2O4
Strunz: 
4.BB.05
Hardness: 
6.0 - 6.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Jacobsite

Formula: 
Mn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

Ganomalite

Formula: 
Pb9Ca5Mn(Si2O7)4(SiO4)O
Strunz: 
9.BG.25
Hardness: 
3.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden