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Chalcedony

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MGR903147

Chalcedony

Description Tabs

Description
Locality: 
Rub al-Chali Desert, Rub al-Khali, Oman
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.9 × 8.8 × 8 cm
Description

This geode from the Oman is completely filled in snow-white botryoidal grown chalcedony. I am offering here both matching parts of the specimen. Inside there is a layer of a second generation present which is sparkling all over. Some brownish parts give a great contrast to the piece.

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