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Allactite & Hematolite

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JYJ623786

Allactite & Hematolite

Description Tabs

Description
Locality: 
Moss Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2.8 × 1.1 cm
Description

Allactite & Hematolite crystals from the Moss mine, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland, Sweden

Reference 

Igelström (1884), Geologiska Föreningens i Stockholm. Förhandlingar, Stockholm : 85-87; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 778; Clark, 1993, "Hey's Mineral Index"

 

Mineral Data
What's on the rock

Allactite

Formula: 
Mn2+7(AsO4)2(OH)8
Strunz: 
8.BE.30
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Moss mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

Hematolite

Formula: 
(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23
Strunz: 
8.BE.45
Hardness: 
3.5
Type Locality: 
Moss mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden