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Beryllonite
Beryllonite

Covellite
Covellite



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Beryllonite
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Covellite

Beryllonite and Covellite Physical Properties

Physical Properties

Tenacity

Brittle
Flexible

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.874.6-4.76
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Perfect on {0001}

Mohs Hardness

5.5-6-9999
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Beryllonite and Covellite Chemical Formula

While comparing Beryllonite and Covellite 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 Covellite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Beryllonite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.