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Gehlenite & Gypsum & Anhydrite

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SHS755780

Gehlenite & Gypsum & Anhydrite

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.2 × 3.7 cm
Description

Nice gehlenite and gypsuma and anhydrite on matrix

Mineral Data
What's on the rock

Gehlenite

Formula: 
Ca2Al(AlSiO7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Type Locality: 
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy

Gypsum

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

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria