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Halite & Polyhalite

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MGR819041

Halite & Polyhalite

Rare Mineral

Description Tabs

Description
Locality: 
Hallein - Bad Dürrnberg Salt Mine, Hallein District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 5.9 × 3.3 cm
Description

A huge halite crystal onmmatrix from this historic locality - but that´s not all: it shows red inclusions at the bottome - this is polyhalite; an exceptional rarity, discovered only at a fist-full localities world-wide. Should be high valued for rarity!

Mineral Data
What's on the rock

Halite

Formula: 
NaCl
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.5
Streak: 
White

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