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Gypsum

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GND46234

Gypsum

Description Tabs

Description
Locality: 
Tregalana Salt Lake, Whyalla, Eyre Peninsula, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 3.9 × 1.9 cm
Description

An unusual doubly terminated gypsum crystal from this little known locality. The brown colour comes from clay inclusions and there are further smaller crystals growing on the primary. No damage.

Mineral Data
What's on the rock

Gypsum

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