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Opal

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LAM678897

Opal

Classic Locality

Description Tabs

Description
Locality: 
Campos de Calatrava, Ciudad Real, Castilla La Mancha, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3 cm
Description

Opal (var. hyalite) aggregates on matrix

Mineral Data
What's on the rock

Opal

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

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