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Opal Var Hyalite Opal

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AST522351

Opal Var Hyalite Opal

Description Tabs

Description
Locality: 
Mytilene, Lesbos Island, North Aegean, Greece
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.7 × 2 cm
Description

Crust of botryoidal and spherical transparent hyalite opal on trachyte rock matrix.This is the finest hyalite opal from Greece and hard to get as most occurences are on private lands and permission to dig is hardly given.

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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