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Cassiterite and Sylvite Physical Properties


Sylvite and Cassiterite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
insoluble   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
6.86-7.03   
1.993   

Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular   
Uneven, Brittle   

Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}   
Perfect on [100], [010], [001]   

Mohs Hardness
6-7   
2.5   

Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Cassiterite and Sylvite Chemical Formula

While comparing Cassiterite and Sylvite 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 Sylvite chemical formula.

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Cassiterite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 1.993 whereas that of Sylvite is 1.993.

Red Gemstones

Red Gemstones


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