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Beryllonite
Beryllonite

Powellite
Powellite



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Beryllonite
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Powellite

Beryllonite and Powellite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.874.23
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

5.5-63.5-4
2 10
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Chemical Composition

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

Beryllonite and Powellite Chemical Formula

While comparing Beryllonite and Powellite 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 Powellite chemical formula.

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

Beryllonite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 4.23 whereas that of Powellite is 4.23.