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Precious Opal

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PDM970963

Precious Opal

Classic Locality

Description Tabs

Description
Locality: 
Carbonera Mine, La Trinidad, Tequisquiapan Municipality, Queretaro, Mexico
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.9 × 5.6 × 2.4 cm
Weight: 
105.00gr
Description

Superb polychrome precious opal with multicoloured reflections, that typically changes in colour depending on the direction of the incident light, and range from ruby red, fluorescent green, yellow, blue and lilac. The opal “tears” are imbedded in a hardened reddish rhyolite matrix and are quite clear and luminous.

Acquired in 1995. Ex J. Muizebelt collection.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Precious Opal

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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