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Ruby and Amethyst Physical Properties


Amethyst and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.65   

Fracture
Conchoidal   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
No true cleavage   
Indiscernible   

Mohs Hardness
9   
7   

Chemical Composition
Al 2 O 3   
SiO2   

Optical Properties >>
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Ruby and Amethyst Chemical Formula

While comparing Ruby and Amethyst 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 Amethyst chemical formula.

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Ruby and Amethyst Specific Gravity

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

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