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Chalcedony

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RAF620752

Chalcedony

New Discovery

Description Tabs

Description
Locality: 
NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7.5 × 4.5 cm
Largest Crystal: 
2.00cm
Weight: 
319.00gr
Description

A unique specimen of botryoidal masses of chalcedony from N'Chwaning I.  This is a new find, taken out a few weeks ago.  Very nice.

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