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Mahnertite

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CR1024140

Mahnertite

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Description
Locality: 
Golosina Mine, Cuevas del Almanzora, Almería, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2.2 cm
Description

This is a fantastic and very rich specimen of the extremely rare mineral mahnertite from a small mine in Andalusia, Spain.

Electric blue, tiny mahnertite crystals and crystal groups very rich on white mimetite microcrystals all over the specimen.

With minor olivegreen beudantite.

SEM-EDS confirmed specimen!

Mineral Data
What's on the rock

Mahnertite

Formula: 
NaCu3(AsO4)2Cl·5H2O
Strunz: 
8.DH.45
Crystal System: 
Tetragonal
Hardness: 
2.0 - 3.0
Type Locality: 
Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Côte d'Azur, France...