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Fire Opal
Fire Opal

Milk Opal
Milk Opal



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Fire Opal
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Milk Opal

Fire Opal and Milk Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO2·nH2O

Fire Opal and Milk Opal Chemical Formula

While comparing Fire Opal and Milk Opal 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 Fire Opal and Milk Opal chemical formula.

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Fire Opal and Milk Opal Specific Gravity

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