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Gypsum

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BCK705847

Gypsum

George Elling collection
Classic Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
12.6 × 8.1 × 4.8 cm
Description

You are bidding on a large section of Passaic pit material that has been cemented by colorless gypsum. This was a rare occurence at the locality! The gypsum has some interesting negative crystals as inclusions, and is associated with minor malachite, blue vesuvianite and other phases. 

Mineral Data
What's on the rock

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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