Beryllonite and Cryolite Physical Properties

Beryllonite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.872.97

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven

1.6 Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

None observed

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Na 3AlF 6Ulrich Henn and Claudio C.

Beryllonite and Cryolite Chemical Formula

While comparing Beryllonite and Cryolite 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 Beryllonite and Cryolite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Compare Colorless Gems

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Beryllonite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.97 whereas that of Cryolite is 2.97.