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Fire Opal
Fire Opal

Beryllonite
Beryllonite



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Fire Opal
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Beryllonite

Fire Opal and Beryllonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.97-2.222.79-2.87
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

6-6.55.5-6
2 10
👆🏻

Chemical Composition

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

Fire Opal and Beryllonite Chemical Formula

While comparing Fire Opal and Beryllonite 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 Fire Opal and Beryllonite chemical formula.

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

Fire Opal and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.