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Yangzhumingite

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SMM936725

Yangzhumingite

Rare Mineral

Description Tabs

Description
Locality: 
Birthday Mine, Mountain Pass, San Bernardino County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 0.8 cm
Description

Groups of dark, tabular stratified crystals scattered on the matrix, of this uncommon phyllosilicate found only in a few locations in the world. The first photo shows a beautiful group of barrel "hexagonal" crystals, typical of the "mica group".

Boxed with Label
Mineral Data
What's on the rock

Yangzhumingite

Formula: 
KMg2.5(Si4O10)F2
Strunz: 
9.EC.20
Hardness: 
0.0
Type Locality: 
East Mine, Bayan Obo deposit (Bayun-Obo deposit; Baiyunebo deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia Autonomous Region, China

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