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Beryllonite
Beryllonite

Kurnakovite
Kurnakovite



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Beryllonite
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Kurnakovite

Beryllonite and Kurnakovite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.79-2.871.847-1.852
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Poor to indistinct on {010}

Mohs Hardness

5.5-62-3
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca3Al3(SiO4)3(OH)

Beryllonite and Kurnakovite Chemical Formula

While comparing Beryllonite and Kurnakovite 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 Kurnakovite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)

Beryllonite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.