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Genthelvite Danalite

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ALB149688

Genthelvite Danalite

Description Tabs

Description
Locality: 
Huanggang Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.5 × 1.8 cm
Largest Crystal: 
1.20cm
Description

Nice crystals of this Fe-Zn beryllium specie associated with quartz and red fluorescent calcite

Mineral Data
What's on the rock

Genthelvite

Formula: 
Zn4(Be3Si3O12)S
Strunz: 
9.FB.10
Hardness: 
6.0 - 6.5
Type Locality: 
West Cheyenne Canon, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

Danalite

Formula: 
Fe2+4(Be3Si3O12)S
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Type Locality: 
Rockport, Essex Co., Massachusetts, USA

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