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Cassiterite and Precious Opal Physical Properties


Precious Opal 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   
1.98-2.25   

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

Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}   
Not Available   

Mohs Hardness
6-7   
5-6.5   

Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2 · nH 2OGemdat.org , Management Team (2012)   

Optical Properties >>
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Cassiterite and Precious Opal Chemical Formula

While comparing Cassiterite and Precious Opal 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 Precious Opal chemical formula.

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Cassiterite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.

Red Gemstones

Red Gemstones


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