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Lotharmeyerite & Manganoan Adamite

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WND853757

Lotharmeyerite & Manganoan Adamite

Rare Mineral - Type Locality - Ex Dr. Wilke Collection
Classic Locality

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.6 × 2.9 cm
Description

This is a super piece. A single, perfectly defined, purple crystal of Manganoan-Adamite superbly perched on matrix. And this matrix has it all. On the one hand, the matrix is covered with needle-shaped Cryptomelane,- but on the other hand, the matrix is covered with similar shaped, brown and rare Lotharmeyerite. A super rich specimen of a rare species accompanied with the most sought Adamite variety. This is a small cabinet sized specimen and not a crumb as usual for rare species. This is an old Dr. Wilke specimen and comes with a label from him.

Mineral Data
What's on the rock

Lotharmeyerite

Formula: 
Ca(Zn,Mn3+)2(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico

Manganoan Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Hardness: 
0.0
Wendel Minerals

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