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Mexican fire opal
Mexican fire opal
☒

Precious coral
Precious coral
☒



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Mexican fire opal
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Precious coral

Mexican fire opal and Precious coral Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
-
-
-
-9999
-
None
3.5
CaCO3

Mexican fire opal and Precious coral Chemical Formula

While comparing Mexican fire opal and Precious coral 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 Precious coral chemical formula.

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Mexican fire opal and Precious coral Specific Gravity

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