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Chalcedony

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AST46051

Chalcedony

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Description
Locality: 
Lesbos Island, North Aegean, Greece
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 8.5 × 6 cm
Description

Light blue botryoidal chalcedony fills a cavity of an also rich in silica rock.Very nice specimen and hard to find now as mineral collecting on this island is limited to a few areas because of Petrified Forest National Park.

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

Seller Information

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