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Boltwoodite

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Boltwoodite

Classic Locality

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Description
Locality: 
Goanikontes, Swakopmund, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 5.5 cm
Description

Sprays of bright yellow boltwoodite needles on matrix

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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