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Cerussite and Topaz Physical Properties


Topaz and Cerussite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.46-6.57   
3.49-3.57   

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

Cleavage
Good [110] and [021]   
[001] Perfect   

Mohs Hardness
3-3.5   
8   

Chemical Composition
PbCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al2SiO4(F,OH)2   

Optical Properties >>
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Cerussite and Topaz Chemical Formula

While comparing Cerussite 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 Cerussite and Topaz chemical formula.

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Cerussite and Topaz Specific Gravity

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

Brown Gemstones

Brown Gemstones


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