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Ruby and Periclase Physical Properties


Periclase and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
3.7-3.9   

Fracture
Conchoidal   
Conchoidal, Brittle   

Cleavage
No true cleavage   
{001} perfect; {111} imperfect, may exhibit parting on , {011}   

Mohs Hardness
9   
5.5-6   

Chemical Composition
Al 2 O 3   
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Ruby and Periclase Chemical Formula

While comparing Ruby and Periclase 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 Periclase chemical formula.

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Ruby and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Periclase Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.7-3.9 whereas that of Periclase is 3.7-3.9.

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