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Jet
Jet

Star Ruby
Star Ruby



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Jet
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Star Ruby

Jet and Star Ruby Physical Properties

Jet
Jet
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.19-1.35
ConchoidalWalter Schumann
None
2.5-4
C
 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Star Ruby Chemical Formula

While comparing Jet and Star Ruby 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 Jet and Star Ruby chemical formula.

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Jet and Star Ruby Specific Gravity

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