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Jahnsite-(CaMnFe)

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MEX604062

Jahnsite-(CaMnFe)

Classic Locality

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.3 × 0.6 cm
Weight: 
1.00gr
Description

Rare specimen with large areas. Where are light to dark brown jahnsite crystals.

Mineral Data
What's on the rock

Jahnsite-(CaMnFe)

Formula: 
{Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0
Streak: 
White
Type Locality: 
Fletcher Mine, Groton, Grafton Co., New Hampshire, USA