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Beryllonite
Beryllonite

Girasol
Girasol



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Beryllonite
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Girasol

Beryllonite and Girasol Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.871.98-2.50
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
None

Mohs Hardness

5.5-65.5-6.5
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Beryllonite and Girasol Chemical Formula

While comparing Beryllonite and Girasol 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 Girasol chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Beryllonite and Girasol Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Girasol Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Girasol Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 1.98-2.50 whereas that of Girasol is 1.98-2.50.