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Fire Opal In Rhyolite

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HAN864089

Fire Opal In Rhyolite

Description Tabs

Description
Locality: 
Carbonera Mine, La Trinidad, Tequisquiapan Municipality, Queretaro, Mexico
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.5 × 2.7 cm
Weight: 
26.00gr
Description

Red nodule of Fire opal with purple and blue colour flashes in a Rhyolite matrix

 The inclusions found in opals from this locality reflect their volcanic provenance. Mexican opal often has inclusions of goethite-like needles, sometimes wrapped in limonite.Hematite crystals and botryoidal inclusions of white chalcedony. Various inclusions have been identified  in Fire Opal -  Goethite, Hematite, Fluorite, Hornblende, Rutile , Pyrite, Kaolinite , Cristobalite,  Quartz,  three-phase inclusion,  two-phase inclusion, flow structures, and multiple cycles of growth have also been described.

 

 

Mineral Data
What's on the rock

Fire Opal

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Hardness: 
0.0
Colour: 
Red

Seller Information

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