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Genthelvite On Sphalerite With Schallerite

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PMN753146

Genthelvite On Sphalerite With Schallerite

Description Tabs

Description
Locality: 
Huanggang Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 4 × 2 cm
Largest Crystal: 
1.00cm
Weight: 
12.00gr
Description

A rare combination of nice orange/brown genthelvite on sphalerite sprinkled with some tiny drusy schallerite. 
These came out years ago and we have not seen any new finds of this material at all.

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Schallerite

Formula: 
(Mn,Fe)16Si12As3O36(OH)17
Strunz: 
9.EE.15
Hardness: 
4.5 - 5.0
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA