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Albite
Albite

Common Opal
Common Opal



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Albite
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Common Opal

Albite and Common Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.60-2.651.98-2.50
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}
None

Mohs Hardness

6-6.55.5-6.5
2 10
👆🏻

Chemical Composition

NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Albite and Common Opal Chemical Formula

While comparing Albite and Common Opal 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 Albite and Common Opal chemical formula.

  • Chemical formula of Albite- NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Albite and Common Opal Specific Gravity

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