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Genthelvite With Dolomite On Quartz

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PMN743236

Genthelvite With Dolomite On Quartz

Description Tabs

Description
Locality: 
Huanggang Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 6 × 3 cm
Largest Crystal: 
2.00cm
Weight: 
19.00gr
Description

An intricate cluster of the sceptered, hedbergite included quartz so familiar in this mine is the matrix for a nice cluster of sharp genthelvite, there is also some creamy dolimite present and a few manganoan calcite blades. This is a dmage free.

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White