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Topaz and Sanidine Physical Properties


Sanidine 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   
2.54-2.61   

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

Cleavage
[001] Perfect   
{001} Perfect, {010} Good   

Mohs Hardness
8   
6   

Chemical Composition
Al2SiO4(F,OH)2   
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Topaz and Sanidine Chemical Formula

While comparing Topaz and Sanidine 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 Sanidine chemical formula.

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Topaz and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.

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