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Mexican fire opal
Mexican fire opal

Riebeckite
Riebeckite



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Mexican fire opal
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Riebeckite

Mexican fire opal and Riebeckite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
Brittle
-
-
3.28-3.44
Uneven, Splintery
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
5.0-6.0
Na2Fe2+3Fe3+2Si8O22(OH)2

Mexican fire opal and Riebeckite Chemical Formula

While comparing Mexican fire opal and Riebeckite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Mexican fire opal and Riebeckite chemical formula.

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Mexican fire opal and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal Vs Riebeckite during the identification of gemstone. Specific gravity of Mexican fire opal is whereas that of Riebeckite is .