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Topaz and Diamond Physical Properties


Diamond and Topaz Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.49-3.57   
3.50-3.53   

Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
[001] Perfect   
111 (perfect in four directions)   

Mohs Hardness
8   
10   

Chemical Composition
Al2SiO4(F,OH)2   
C   

Optical Properties >>
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Topaz and Diamond Chemical Formula

While comparing Topaz and Diamond 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 Diamond chemical formula.

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Topaz and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Diamond Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.50-3.53 whereas that of Diamond is 3.50-3.53.

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