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Jahnsite-(CaMnMg)

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CR626735

Jahnsite-(CaMnMg)

Classic Locality

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.2 × 0.8 cm
Description

Analysed and very rich specimen of honey brown Jahnsite-CaMnMg on matrix.

EDS analysed specimen

Mineral Data
What's on the rock

Jahnsite-(CaMnMg)

Formula: 
{Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0
Streak: 
White
Type Locality: 
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA
Analysis
Analysis Report - only: Jahnsite-(CaMnMg)
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