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Chalcedony

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MNR714105

Chalcedony

Description Tabs

Description
Locality: 
Mamuju Area, West Sulawesi, Indonesia
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 4.3 × 3.5 cm
Description

Plastic and three-dimensional purple botryoidal chalcedony (grape agate). The balls are purple translucent with satin gloss and dark zoning. Intense violet color that is reminiscent of amethyst. Very aesthetic sample.

 

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