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Chalcedony & Quartz

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ESM758992

Chalcedony & Quartz

Description Tabs

Description
Locality: 
Sidi Rahal, El Kelaâ des Sraghna Province, Marrakesh-Safi Region, Morocco
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 10 × 9 cm
Description

A chalcedon geode covered with sparkling tiny quartz crystals and thread-like quartz crystals

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White