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Mexican fire opal
Mexican fire opal

Augelite
Augelite



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Mexican fire opal
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Augelite

Mexican fire opal and Augelite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
-
-
-
2.70-2.75
Conchoidal
From the Greek for luster, for its pearly luster on the cleavage.
4.5-5
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Mexican fire opal and Augelite Chemical Formula

While comparing Mexican fire opal and Augelite 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 Augelite chemical formula.

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Mexican fire opal and Augelite Specific Gravity

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