Friedelite and Beryllonite Physical Properties

Friedelite

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

3.06-3.192.79-2.87

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

4-55.5-6

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Beryllonite Chemical Formula

While comparing Friedelite 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 Friedelite and Beryllonite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite and Beryllonite Specific Gravity

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