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Selenite
Selenite

Phenakite
Phenakite



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Selenite
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Phenakite

Selenite and Phenakite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O
 
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

Selenite and Phenakite Chemical Formula

While comparing Selenite and Phenakite 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 Selenite and Phenakite chemical formula.

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Selenite and Phenakite Specific Gravity

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