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Talc

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DVE106377

Talc

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

Description Tabs

Description
Locality: 
Connecticut, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1.2 cm
Description

More than a dozen thumbnail specimens of talc, var. foliated, from an old collection. Said to be from Hartford, Connecticut; the precise locality in doubt. 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 1930s.

Mineral Data
What's on the rock

Talc

Formula: 
Mg3(Si4O10)(OH)2
Strunz: 
9.EC.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White
David J. Eicher

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