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Ruby and Willemite Physical Properties


Willemite 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   
3.89-4.18   

Fracture
Conchoidal   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven   

Cleavage
No true cleavage   
{0001}, {11 2 0} imperfect   

Mohs Hardness
9   
5.5   

Chemical Composition
Al 2 O 3   
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Ruby and Willemite Chemical Formula

While comparing Ruby and Willemite 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 Willemite chemical formula.

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Ruby and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Willemite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.89-4.18 whereas that of Willemite is 3.89-4.18.

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