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Jahnsite-(CaMnMn)

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HEF765803

Jahnsite-(CaMnMn)

Description Tabs

Description
Locality: 
Mesquitela, Mangualde, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.4 × 1.1 cm
Description

Brown crystals of jahnsite-CaMnMn on matrix

Mineral Data
What's on the rock

Jahnsite-(CaMnMn)

Formula: 
{Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0
Streak: 
White
Type Locality: 
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu District, Portugal

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