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Anhydrite & Chalcedony

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SHS749785

Anhydrite & Chalcedony

Description Tabs

Description
Locality: 
Neuhof-Ellers Potash Works, Neuhof, Fulda, Kassel Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 2.7 × 2.2 cm
Description

Anhydrite and some chalcedony speres on basalt rock

Mineral Data
What's on the rock

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

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey