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Fire Opal
Fire Opal

Blue spinel
Blue spinel



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Fire Opal
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Blue spinel

Fire Opal and Blue spinel 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
MgAl2O4

Fire Opal and Blue spinel Chemical Formula

While comparing Fire Opal and Blue spinel 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 Blue spinel chemical formula.

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Fire Opal and Blue spinel Specific Gravity

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