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Fire Opal
Fire Opal
☒

Color change sapphire
Color change sapphire
☒



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Fire Opal
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Color change sapphire

Fire Opal and Color change sapphire 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
 
-
-
-
-9999
-
None
-9999
Al2O3

Fire Opal and Color change sapphire Chemical Formula

While comparing Fire Opal and Color change sapphire 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 Color change sapphire chemical formula.

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Fire Opal and Color change sapphire Specific Gravity

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