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Beryllonite
Beryllonite

Topazolite
Topazolite



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Beryllonite
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Topazolite

Beryllonite and Topazolite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.873.70-4.10
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

5.5-66.5-7
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Beryllonite and Topazolite Chemical Formula

While comparing Beryllonite and Topazolite 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 Topazolite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Beryllonite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.