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Amethyst In Chalcedony

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Watches:
SHS51032

Amethyst In Chalcedony

ex. Collection F. Bauer (München/Germany)

Description Tabs

Description
Locality: 
Idar-Oberstein, Birkenfeld, Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 6.4 × 6.3 cm
Description

Nice violett amethyst crystals on gray chalcedony

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple

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