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Uraninite Gummite & Uranophane

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PDM597746

Uraninite Gummite & Uranophane

With Antique Label

Description Tabs

Description
Locality: 
Mitchell County, North Carolina, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1 × 1 cm
Description

Glass container with two specimens of black uraninite and yellow alteration products of gummite and uranophane. The biggest piece measures 13x10x10 mm.

Ex. Ennio Contarini (IT), #36.

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

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

Seller Information

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