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Boltwoodite

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PDM957173

Boltwoodite

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Description
Locality: 
Goanikontes, Arandis, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.2 × 1.8 cm
Description

Lustrous yellow radiated aggregates of acicular boltwoodite crystals partially included in spiky scalenohedral calcite.

Acquired in 1999. Ex J. Muizebelt collection.

Combine specimens to reduce shipping costs!.

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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