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Uranophane & Baryte

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BCK658418

Uranophane & Baryte

Kay Robertson collection

Description Tabs

Description
Locality: 
Johannesschacht Mine, Wölsendorf, Schwarzach bei Nabburg, Upper Palatinate, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 4 × 3.3 cm
Description

You are bidding on a large sample with some fantastic sprays of uranophane on matrix with a few brown barite crystals on flourite matrix from this ancient German locality which you rarely see specimens of on the market. Kay Robertson collection. 

Mineral Data
What's on the rock

Uranophane

Formula: 
Ca(UO2)2[HSiO4]2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Miedzianka (Kupferberg), Jelenia Góra District, Rudawy Janowickie Mts, Lower Silesia (Dolnośląskie), Poland

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

Seller Information

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