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Precious coral
Precious coral

Star Ruby
Star Ruby



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Precious coral
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Star Ruby

Precious coral and Star Ruby Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
3.5
CaCO3
 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Precious coral and Star Ruby Chemical Formula

While comparing Precious coral 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 Precious coral and Star Ruby chemical formula.

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Precious coral and Star Ruby Specific Gravity

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