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Cassiterite and Nepheline Physical Properties


Nepheline and Cassiterite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.86-7.03   
2.55-2.65   

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

Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}   
[1010] Poor   

Mohs Hardness
6-7   
5-6   

Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   

Optical Properties >>
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Cassiterite and Nepheline Chemical Formula

While comparing Cassiterite and Nepheline 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 Nepheline chemical formula.

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Cassiterite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.

Red Gemstones

Red Gemstones


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