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Beryllonite
Beryllonite

Piemontite
Piemontite



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Beryllonite
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Piemontite

Beryllonite and Piemontite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.87-9999
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Splintery

Cleavage

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

Mohs Hardness

5.5-66-6.5
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)

Beryllonite and Piemontite Chemical Formula

While comparing Beryllonite and Piemontite 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 Piemontite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)

Beryllonite and Piemontite Specific Gravity

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