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Krettnichite On Manganite

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SHS57724

Krettnichite On Manganite

Description Tabs

Description
Locality: 
Manganese Mine, Krettnich, Merzig-Wadern, Saarland, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 0.7 cm
Description

Brown krettnichite crystals on manganite crystals

Mineral Data
What's on the rock

Krettnichite

Formula: 
(Pb,Sr)(Mn3+,Co)2(VO4)2·2(OH,H2O)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
Brown
Type Locality: 
Manganese mine (incl. Johann Shaft; Jakob Adit), Krettnich, Wadern, Saarland, Germany

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0
Type Locality: 
Manganese deposit, Ilfeld, Nordhausen, Harz, Thuringia, Germany