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Chalcedony

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CLB79749

Chalcedony

Classic Locality

Description Tabs

Description
Locality: 
Hochberg Quarry, Nieder-Ofleiden, Homberg, Vogelsberg, Giessen Region, Hesse, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 6.7 × 5 cm
Description

Very rarely seen sample of blueish-gray chalcedony from a seldom offered locality.

Mineral Data
What's on the rock

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

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