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Albite and Opal Physical Properties


Opal and Albite Physical Properties


Physical Properties

Tenacity
Brittle   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
2.60-2.65   
1.98-2.25   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

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

Mohs Hardness
6-6.5   
5-6.5   

Chemical Composition
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   
SiO2 · nH2O   

Optical Properties >>
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Albite and Opal Chemical Formula

While comparing Albite and 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 Opal chemical formula.

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Albite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Opal Optical Properties during the identification of gemstone. Specific gravity of Albite is 1.98-2.25 whereas that of Opal is 1.98-2.25.

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