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Gypsum

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PJM35451

Gypsum

Description Tabs

Description
Locality: 
Whyalla, Eire Peninsula, South Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 4.7 × 3.6 cm
Largest Crystal: 
0.80cm
Description

Wind blown twigs and small branches have over the years found there way into a small water system that frequently evaporates to produce gypsum specimens such as this.

Gypsum crystals completely cover all surfaces of this small branch and was colour by sediment to give the crystals a smoky colour. Some of the original plant material came be seen where the specimen was removed from the lake.

Mineral Data
What's on the rock

Gypsum

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

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All goods must be paid for prior to shipping, all bids are binding.

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