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Koktaite

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BCK222039

Koktaite

Rare Mineral

Description Tabs

Description
Locality: 
Zastávka, Brno, South Moravian Region, Czech Republic
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 0.8 cm
Description

You are bidding on a small specimen with a fracture surface lined with white crystals of rare koktaite (actually pseudomorphs after gysum). A good specimen of this rare NH4 mineral.

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

Seller Information

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