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Genthelvite & Hematite

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SER886790

Genthelvite & Hematite

Description Tabs

Description
Locality: 
El Criollo Mine, Cerro Blanco, Tanti, Punilla Department, Córdoba, Argentina
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.1 × 2.1 cm
Description

several blue not well formed crystals of genthelvite in a vein of massive and crystalline hematite

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0