Beryllonite and Pezzottaite Physical Properties

Beryllonite

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.872.90-3.14

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Imperfect; basal

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

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

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Beryllonite and Pezzottaite Chemical Formula

While comparing Beryllonite and Pezzottaite 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 Pezzottaite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Compare Colorless Gems

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Beryllonite Vs Cassiterite

Beryllonite Vs Cancrinite

Beryllonite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.