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Dolomite

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DVE106392

Dolomite

Ex-John H. Eicher Collection; ex-David J. Eicher Collection

Description Tabs

Description
Locality: 
Ossining, Westchester County, New York, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 1.2 cm
Description

More than two dozen thumbnail specimens of dolomite from an old collection. The dimension given is for the largest piece. The glass jar shown here has a diameter of 5.3 cm. Collected by John H. Eicher in the 1940s.

Mineral Data
What's on the rock

Dolomite

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

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