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Polyhalite

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KAT824840

Polyhalite

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Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2.9 × 1 cm
Description

very well crystallized specimen of white lustrous polyhalite spheres, combined with colorless, waterclear anhydrite - on anhydrite

Mineral Data
What's on the rock

Polyhalite

Formula: 
K2Ca2Mg(SO4)4·2H2O
Strunz: 
7.CC.65
Hardness: 
2.5 - 3.5
Type Locality: 
Ischler Salzberg, Perneck, Bad Ischl, Gmunden, Upper Austria, Austria

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