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Beryllonite
Beryllonite

Shigaite
Shigaite



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Beryllonite
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Shigaite

Beryllonite and Shigaite Physical Properties

Physical Properties

Tenacity

Brittle
Moderately flexible

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.872.32
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

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

Mohs Hardness

5.5-62
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Pb6Cu3BiS4

Beryllonite and Shigaite Chemical Formula

While comparing Beryllonite and Shigaite 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 Shigaite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Shigaite- Pb6Cu3BiS4

Beryllonite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.32 whereas that of Shigaite is 2.32.