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Beryllonite
Beryllonite

Pezzotaite
Pezzotaite



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Beryllonite
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Pezzotaite

Beryllonite and Pezzotaite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.87-9999
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

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

Mohs Hardness

5.5-6-9999
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Cs(Be2Li)Al2Si6O18

Beryllonite and Pezzotaite Chemical Formula

While comparing Beryllonite and Pezzotaite 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 Pezzotaite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pezzotaite- Cs(Be2Li)Al2Si6O18

Beryllonite and Pezzotaite Specific Gravity

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