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Wilhelmvierlingite & Frondelite

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ESM625604

Wilhelmvierlingite & Frondelite

Rare Mineral

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1.6 cm
Description

Yellowish wilhelmvierlingite with brown frondelite

Mineral Data
What's on the rock

Wilhelmvierlingite

Formula: 
CaMnFe3+(PO4)2(OH)·2H2O
Strunz: 
8.DH.20
Hardness: 
4.0
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Frondelite

Formula: 
Mn2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Hardness: 
4.5
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil
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