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Beryllonite
Beryllonite

Agrellite
Agrellite



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Beryllonite
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Agrellite

Beryllonite and Agrellite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.872.88
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
perfect [110]

Mohs Hardness

5.5-65.5
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaCa2Si4O10F

Beryllonite and Agrellite Chemical Formula

While comparing Beryllonite and Agrellite 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 Agrellite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Agrellite- NaCa2Si4O10F

Beryllonite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.88 whereas that of Agrellite is 2.88.