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Cryolite
Cryolite

Phenakite
Phenakite



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Cryolite
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Phenakite

Cryolite and Phenakite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.972.90-2.98
1 7.18
👆🏻

Fracture

Uneven
Conchoidal, ConchoidalWalter Schumann

Cleavage

None observed
Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

2.57.5-8
2 10
👆🏻

Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cryolite and Phenakite Chemical Formula

While comparing Cryolite 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 Cryolite and Phenakite chemical formula.

  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cryolite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.