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Demantoid
Demantoid

Rock Crystal
Rock Crystal



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Demantoid
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Rock Crystal

Demantoid and Rock Crystal 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.
 
-
-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)

Demantoid and Rock Crystal Chemical Formula

While comparing Demantoid and Rock Crystal 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 Rock Crystal chemical formula.

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Demantoid and Rock Crystal Specific Gravity

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