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Chalcedony

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ESM729398

Chalcedony

Description Tabs

Description
Locality: 
Sidi Rahal, Meknès-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 8 × 6 cm
Description

A geode with redbrown stalactitic chalcedony aggregates 

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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