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Chalcedony

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MNR585963

Chalcedony

Description Tabs

Description
Locality: 
Mamuju Area, West Sulawesi, Indonesia
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 5.5 × 3.9 cm
Description

Very interesting and unusual purple to blueish-green chalcedony with big purple grapes on both sides of sample. Chalcedony has micro-crystalline surface and glitters nicely under light.

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