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Koktaite Psm Gypsum

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GMN772399

Koktaite Psm Gypsum

Type Locality

Description Tabs

Description
Locality: 
Zastávka, Brno, South Moravian Region, Czech Republic
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.3 × 0.5 cm
Description

Brownish-beige pseudomorph crystals (after gypsum)

Mineral Data
What's on the rock

Koktaite

Formula: 
(NH4)2Ca(SO4)2·H2O
Strunz: 
7.CD.35
Hardness: 
0.0
Type Locality: 
Žeravice, South Moravia Region, Moravia (Mähren; Maehren), Czech Republic

Gypsum

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

Seller Information

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