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Metanováčekite & Metazeunerite

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RSL694802

Metanováčekite & Metazeunerite

Radioactive

Description Tabs

Description
Locality: 
Taghouni Mine, Taghouni, Bou Azzer, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.1 × 3.5 cm
Largest Crystal: 
0.50cm
Description

Metanováčekite from this Moroccan mine is very rare and appeared only in a reduced area. Tabular yellowish crystals, translucent and accompanied by metazeunerite. These crystals were transparent when collected, as nováčekite, but in few weeks all specimens are losing water and become translucent to opaque. Nowadays this mine is closed and the uranium area is covered by rubble materials.

Mineral Data
What's on the rock

Metanováčekite

Formula: 
Mg(UO2)2(AsO4)2·4-8H2O
Strunz: 
8.EB.10
Hardness: 
2.5
Colour: 
yellow
Type Locality: 
Anton Mine (St. Anton Mine), Heubach Valley, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

Metazeunerite

Formula: 
Cu(UO2)2(AsO4)2·8H2O
Strunz: 
8.EB.10
Hardness: 
2.0 - 2.5
Type Locality: 
Walpurgis Flacher vein, Weißer Hirsch Mine (Shaft 3), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany
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