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Chalcedony

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MGR589376

Chalcedony

Description Tabs

Description
Locality: 
Artigas, Artigas Department, Uruguay
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 7 × 2.7 cm
Description

A very uncommon and rare specimen with an intense red center. Well cut and polished on front side.

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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