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Uraninite

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GFM1044825

Uraninite

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Description Tabs

Description
Locality: 
Schneeberg, Erzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 4 cm
Description

A very rare pseudomorph of Uraninite after a Calcite crystal. A nice old specimen from the 1950s, with well formed botryoidal aggregates of Uraninite, and this rare Pseudomorph in one specimen. 

Mineral Data
What's on the rock

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic