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Beryllonite
Beryllonite

Austinite
Austinite



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Beryllonite
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Austinite

Beryllonite and Austinite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

2.79-2.874.12
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Good in two directions parallel to the prism faces {110}

Mohs Hardness

5.5-64-4.5
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaZn(AsO4)(OH)

Beryllonite and Austinite Chemical Formula

While comparing Beryllonite and Austinite 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 Austinite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Beryllonite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 4.12 whereas that of Austinite is 4.12.