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Jahnsite-(CaMnFe)

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JYJ708034

Jahnsite-(CaMnFe)

Description Tabs

Description
Locality: 
Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.4 × 1.5 cm
Description

Rockbridgeite filled with keckite and jahnsite-(CaMnFe) crystals. This specimen was analysed by SEM-EDS. Analysis is attached. 

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
Analysis
Analysis Report - only: Jahnsite-(CaMnFe)