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Gypsum

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RBR911204

Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Great Salt Plains, Jet, Alfalfa County, Oklahoma, United States of America
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.5 × 1 cm
Description

This is a thin tabular gypsum crystal which has 'hour-glass' shaped mud inclusions and nearly transparent edges. The backside shows a completely different habit.

Mineral Data
What's on the rock

Gypsum

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

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