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Krettnichite & Mottramite

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HCH172766

Krettnichite & Mottramite

Description Tabs

Description
Locality: 
Manganese Mine, Krettnich, Merzig-Wadern, Saarland, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1 cm
Largest Crystal: 
0.10cm
Description

Darkbrown platy aggregates of Krettnichite-crystals with greenishbrown aggregates of Mottramite on Manganite.

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

Mottramite

Formula: 
PbCu(VO4)(OH)
Strunz: 
8.BH.40
Hardness: 
3.0 - 3.5
Type Locality: 
Mottram St Andrew, Cheshire, England, UK

Seller Information

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