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Opal Var Hyalite

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AST28472

Opal Var Hyalite

Description Tabs

Description
Locality: 
Mytilene, Lesbos Island, North Aegean, Greece
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 7 × 3 cm
Description

A very rare specimen of hyalite opal on volcanic tuff matrix.

The opal layer is 1 cm ath it's thickest point.

Perfect specimen from all aspects and one of the biggest known from Greece.

Mineral Data
What's on the rock

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Seller Information

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