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Phenakite
Phenakite

Demantoid
Demantoid



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Phenakite
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Demantoid

Phenakite and Demantoid Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.90-2.98
Conchoidal, ConchoidalWalter Schumann
Distinct on {11 2 0}, imperfect on {10 1 1}
7.5-8
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Phenakite and Demantoid Chemical Formula

While comparing Phenakite 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 Phenakite and Demantoid chemical formula.

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Phenakite and Demantoid Specific Gravity

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