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Sellaite
Sellaite

Phenakite
Phenakite



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Sellaite
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Phenakite

Sellaite and Phenakite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.
 
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

Sellaite and Phenakite Chemical Formula

While comparing Sellaite 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 Sellaite and Phenakite chemical formula.

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Sellaite and Phenakite Specific Gravity

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