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Boltwoodite

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UVM718426

Boltwoodite

Radioactive

Description Tabs

Description
Locality: 
New Method Mine, Amboy, San Bernardino County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.8 × 1.8 cm
Description

Sharo crystalline sprays of boltwoodite on matrix from the New Method Mine, probably the best locality for the species in the United States.   Unfortunately this mine is within the boundaries of the new Mohave Trails National Monument, so no further specimens will be collected in the future.

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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