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Pleonaste and Topaz Physical Properties


Topaz and Pleonaste Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.80   
3.49-3.57   

Fracture
Not Available   
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
Not Available   
[001] Perfect   

Mohs Hardness
8   
8   

Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)   
Al2SiO4(F,OH)2   

Optical Properties >>
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Pleonaste and Topaz Chemical Formula

While comparing Pleonaste 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 Pleonaste and Topaz chemical formula.

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Pleonaste and Topaz Specific Gravity

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

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