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Nickeline and Topaz Physical Properties


Topaz and Nickeline Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.49-3.57   

Fracture
Conchoidal, Uneven   
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
{1010} Imperfect, {0001} Imperfect   
[001] Perfect   

Mohs Hardness
5-5.5   
8   

Chemical Composition
Not Available   
Al2SiO4(F,OH)2   

Optical Properties >>
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Nickeline and Topaz Chemical Formula

While comparing Nickeline and Topaz 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 Nickeline and Topaz chemical formula.

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Nickeline and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Topaz Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 3.49-3.57 whereas that of Topaz is 3.49-3.57.

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