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Tegengrenite & Hausmannite & Brucite

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SHS546875

Tegengrenite & Hausmannite & Brucite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.8 cm
Description

Nice red tegengrenite with hausmannite and brucite in matrix

Mineral Data
What's on the rock

Tegengrenite

Formula: 
(Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4
Strunz: 
4.BB.20
Crystal System: 
Trigonal
Hardness: 
0.0
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany

Brucite

Formula: 
Mg(OH)2
Strunz: 
4.FE.05
Crystal System: 
Hexagonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Castle Point, Hoboken, Hudson Co., New Jersey, USA