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Sapphire
Sapphire

Demantoid
Demantoid



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Sapphire
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Demantoid

Sapphire and Demantoid Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Sapphire and Demantoid Chemical Formula

While comparing Sapphire and Demantoid 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 Sapphire and Demantoid chemical formula.

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Sapphire and Demantoid Specific Gravity

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