Fibrolite and Beryllonite Physical Properties

Fibrolite

Beryllonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.252.79-2.87

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009)

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

Fibrolite and Beryllonite Chemical Formula

While comparing Fibrolite and Beryllonite 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 Fibrolite and Beryllonite chemical formula.

Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fibrolite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.