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Kummerite

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Kummerite

Type Locality

Description Tabs

Description
Locality: 
Hagendorf, Oberpfalz, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.7 × 0.7 cm
Description

Outstanding orange crystals of the new and extremely rare phosphate mineral kummerite  (IMA 2015-036), associated to dark green beraunite needles.

SEM/EDS and DRX analyzed, see copy enclosed.

Only one known locality worldwide!

Mineral Data
What's on the rock

Kummerite

Formula: 
Mn2+Fe3+Al(PO4)2(OH)2 · 8H2O
Crystal System: 
Triclinic
Colour: 
Amber yellow
Streak: 
White
Type Locality: 
Cornelia Mine, Hagendorf, Bavaria, Germany
Isostructural with: 
Laueite

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