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Chalcedony

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PCZ189976

Chalcedony

Description Tabs

Description
Locality: 
Slanec Quarry, Košice County, Košice Region, Slovakia (Slovak Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 2.9 × 1.5 cm
Description

Beautiful botryoidal chalcedony with a pale yellow colour. Chalcedony is not the prettiest of minerals but this specimen is a clear exception to that rule.

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
Peter Crozier Minerals