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Achroite and Ruby Physical Properties


Ruby and Achroite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.40   
3.97-4.05   

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

Cleavage
Not Available   
No true cleavage   

Mohs Hardness
7-7.5   
9   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
Al 2 O 3   

Optical Properties >>
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Achroite and Ruby Chemical Formula

While comparing Achroite and Ruby 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 Achroite and Ruby chemical formula.

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Achroite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Achroite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.

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