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Cassiterite and Poudretteite Physical Properties


Poudretteite and Cassiterite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.86-7.03   
2.51-2.53   

Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular   
Conchoidal, Splintery   

Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}   
None   

Mohs Hardness
6-7   
5   

Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Cassiterite and Poudretteite Chemical Formula

While comparing Cassiterite and Poudretteite 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 Cassiterite and Poudretteite chemical formula.

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Cassiterite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

Red Gemstones

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