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Opal Var Hyalite Opal

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AST541245

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: 
3.5 × 3 × 1.7 cm
Description

Water clear botryoidal hyalite opal on brown trachyte rock matrix. Hyalite in Greece comes only from Lesvos island and is hard to get because of rarity and occurences being mostly on private land.
 

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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