Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sphalerite Conichalcite Dolomite & Calcite

Views:
Watches:
SCH58090

Sphalerite Conichalcite Dolomite & Calcite

Description Tabs

Description
Locality: 
Cessford Quarry, Biggsville, Henderson County, Illinois, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.6 × 1.7 cm
Description

A lustrous black complex twinned sphalerite crystal with small dolomite and calcite crystals in association.

Complete all around, the back of the sphalerite is mostly covered by the associates.

Mineral Data
What's on the rock

Sphalerite

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

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Dolomite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
schani

Seller Information

Payment options: offline, paypal_wpp, paypal_wps