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Hyalite Opal

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LAV118082

Hyalite Opal

Fluorescent

Description Tabs

Description
Locality: 
Mytilene, Lesbos Island, North Aegean, Greece
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 8.4 × 3.5 cm
Description

Transparent iridescent hyalite on basalt matrix.
Hyalite from Lesvos island has a quality simliar with specimens from Bohemia - Czech Rebublic.

Mineral Data
What's on the rock

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

Opal

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