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Topaz and Amazonite Physical Properties


Amazonite and Topaz Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.49-3.57   
2.55-2.57   

Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
[001] Perfect   
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal   

Mohs Hardness
8   
6-6.5   

Chemical Composition
Al2SiO4(F,OH)2   
KAlSi3O8   

Optical Properties >>
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Topaz and Amazonite Chemical Formula

While comparing Topaz and Amazonite 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 Topaz and Amazonite chemical formula.

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Topaz and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.

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