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Boltwoodite

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PPM1073891

Description Tabs

Description
Locality: 
Rössing Uranium Mine, Arandis, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.5 × 2.2 cm
Weight: 
7.00gr
Description

Beautiful, well-crystallized specimen of brilliant yellow boltwoodite crystals on matrix from the famous Rössing Uranium Mine, Arandis, Namibia. From the noted collection of Chet Lemanski. Rare!

Mineral Data
What's on the rock

Boltwoodite

Formula: 
(K,Na)(UO2)[HSiO4]·0.5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Pick's Delta Mine (Delta Mine; Pick's Mine), Delta, San Rafael District (San Rafael Swell), Emery Co., Utah, USA...

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