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Allactite & Hematolite

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JYJ615490

Allactite & Hematolite

Description Tabs

Description
Locality: 
Moss Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 0.6 cm
Description

Slightly pinkish allactite (type locality) & red hematolite (type locality) from sweden. 

References allactite: 

Geologiska Föreningens i Stockholm. Förhandlingar, Stockholm (1884): 7: 109; 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: 782, 787; Clark, 1993 - "Hey's Mineral Index, 3rd Edition"

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