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Opal Var Hyalite Opal

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AST543990

Opal Var Hyalite Opal

Description Tabs

Description
Locality: 
Mytilene, Lesbos Island, North Aegean, Greece
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.5 × 1.5 cm
Description

Clust of water clear botryoidal hyalite on matrix rock.Lesvos is the only locality for hyalite in Greece and specimens hardly make it to the market as occurences are mostly in private land and collecting permission is difficult to get.

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

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