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Boltwoodite

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CHP1057678

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Description
Locality: 
Goanikontes, Arandis, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4 × 3.5 cm
Weight: 
140.00gr
Description

specimen with some very nice yellow tifts of crystals of boltwoodite on matrix.

c. 8478

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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25
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Start 07 Jul 18:00
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