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Hyalite Opal

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PCZ544456

Hyalite Opal

Description Tabs

Description
Locality: 
Wadley, San Luis Potosi, Mexico
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.5 cm
Description

A nice little example of the opal recently discovered in Mexico. This material has an excepionally strong daylight fluorescence. An image is attached showing fluresence under UV.  A great little example of very unusual material.

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
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