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Demantoid
Demantoid

Star Ruby
Star Ruby



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Demantoid
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Star Ruby

Demantoid and Star Ruby Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Demantoid and Star Ruby Chemical Formula

While comparing Demantoid 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 Demantoid and Star Ruby chemical formula.

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Demantoid and Star Ruby Specific Gravity

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