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Picromerite & Halite

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CR885601

Picromerite & Halite

Description Tabs

Description
Locality: 
Neuhof-Ellers Potash Works, Neuhof, Fulda, Kassel Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 7.5 × 4.5 cm
Largest Crystal: 
2.00cm
Description

These are textbook, sharp, blocky, monoclinic crystals of chalk-white picromerite associated with unusually golden orange colored cubic halite. The largest picromerite measures 2.0 cm across. One does not encounter such well-crystallized picromerite from any locality, especially in fine display pieces like this.

Ex. Robert Karl collection.

Mineral Data
What's on the rock

Picromerite

Formula: 
K2Mg(SO4)2·6H2O
Strunz: 
7.CC.60
Hardness: 
2.5
Streak: 
White
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Halite

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