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Calcite & Barian Celestine On Sphalerite

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CLB500476

Calcite & Barian Celestine On Sphalerite

Rare Mineral

Description Tabs

Description
Locality: 
Elmwood Mine, Carthage, Smith County, Tennessee, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 7 × 5.3 cm
Description

Great calcite specimen, even more so because it bears very rare sheaves of white, acicular barian celestine. The base is crystalline, lustrous, dark brown sphalerite. Minor saw marks on bottom. A little ding on one of the large calcite crystals. Those show great honey color and very good transparency.

Mineral Data
What's on the rock

Calcite

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

Barian Celestine

Variety Of: 

Celestine

Formula: 
SrSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Formula: 
(Sr,Ba)SO4
Hardness: 
3.0 - 3.5

Sphalerite

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

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