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Calcite & Sphalerite

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Watches:
MGR880643

Description Tabs

Description
Locality: 
Elmwood Mine, Carthage, Smith County, Tennessee, United States of America
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
19.5 × 15.4 × 12.9 cm
Description

Wow… just look at this absolutely perfect and huge crystal of calcite nicely sitting on sphalerite matrix. The colour is absolutely fantastic and the crystal is perfectly crystallised all around. The interresting tip makes this piece even more unique.

Mineral Data
What's on the rock

Calcite

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

Sphalerite

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