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Ruby and Diaspore Physical Properties


Diaspore and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Very brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
3.30-3.40   

Fracture
Conchoidal   
Conchoidal, Brittle, Conchoidal   

Cleavage
No true cleavage   
{010} perfect, {110} distinct, {100} in traces   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Ruby and Diaspore Chemical Formula

While comparing Ruby and Diaspore 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 Diaspore chemical formula.

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Ruby and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.

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