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Ruby and Carnelian Physical Properties


Carnelian and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.58-2.64   

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

Cleavage
No true cleavage   
Absent   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
SiO2   

Optical Properties >>
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Ruby and Carnelian Chemical Formula

While comparing Ruby and Carnelian 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 Ruby and Carnelian chemical formula.

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Ruby and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.

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