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Mexican fire opal
Mexican fire opal

Realgar
Realgar



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Mexican fire opal
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Realgar

Mexican fire opal and Realgar Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
-
-
-
3.56
-
{010} Good
-9999
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Mexican fire opal and Realgar Chemical Formula

While comparing Mexican fire opal and Realgar 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 Realgar chemical formula.

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Mexican fire opal and Realgar Specific Gravity

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