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Carnelian and Spinel Physical Properties


Spinel and Carnelian Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
none   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.64   
3.64-3.66   

Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Absent   
None, but may exhibit slight parting   

Mohs Hardness
6.5-7   
8   

Chemical Composition
SiO2   
MgAl2O4   

Optical Properties >>
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Carnelian and Spinel Chemical Formula

While comparing Carnelian and Spinel 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 Carnelian and Spinel chemical formula.

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Carnelian and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Spinel Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.64-3.66 whereas that of Spinel is 3.64-3.66.

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