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Metanováčekite & Hyalite

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SCH99367

Metanováčekite & Hyalite

Description Tabs

Description
Locality: 
Tubussis Farm 22, Dâures, Erongo Region, Namibia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.2 × 1.4 cm
Description

Very pretty, yellow, tabular Metanovácekite crystals over a quartz point with hyalite

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

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white
schani

Seller Information

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