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Hörnesite Pharmacolite & Uraninite

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JYJ648271

Hörnesite Pharmacolite & Uraninite

Raman confirmed!

Description Tabs

Description
Locality: 
Měděnec, Klášterec nad Ohří, Krušné Hory, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.7 × 2 cm
Description

Colourless acicular hörnesite, grey colourless pharmacolite and minor brassite on uraninite bearing matrix. Minor Ni minerals present: annabergite. 

Raman confirmed!

Mineral Data
What's on the rock

Hörnesite

Formula: 
Mg3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.0
Type Locality: 
Ciclova (Csiklova), Oraviţa-Ciclova Cu-Mo-(W) ore field, Banat Mts, Caraş-Severin Co., Romania

Pharmacolite

Formula: 
Ca(HAsO4)·2H2O
Strunz: 
8.CJ.50
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Sophia Mine, Böckelsbach valley, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

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