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Amazonite and Opal Physical Properties


Opal and Amazonite Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.57   
1.98-2.25   

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

Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal   
None   

Mohs Hardness
6-6.5   
5-6.5   

Chemical Composition
KAlSi3O8   
SiO2 · nH2O   

Optical Properties >>
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Amazonite and Opal Chemical Formula

While comparing Amazonite 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 Amazonite and Opal chemical formula.

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Amazonite and Opal Specific Gravity

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

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