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Smithsonite Psm Dolomite

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KCM94979

Smithsonite Psm Dolomite

Description Tabs

Description
Locality: 
Rush, Rush Creek District, Marion County, Arkansas, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.5 × 7.5 × 6.5 cm
Description

Sparkling smithsonite has replaced dolomite crystals, and also covers almost all of the matrix.

The mines of the Rush Creek District are now in a park, and collecting is prohibited.

Mineral Data
What's on the rock

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

Dolomite

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