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Tourmaline and Cassiterite Physical Properties


Cassiterite and Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
6.86-7.03   

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

Cleavage
Indistinct   
{100} imperfect, {110} indistinct; partings on {111} or {011}   

Mohs Hardness
7-7.5   
6-7   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Tourmaline and Cassiterite Chemical Formula

While comparing Tourmaline and Cassiterite 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 Tourmaline and Cassiterite chemical formula.

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Tourmaline and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.

Semi Precious

Semi Precious


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