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Rubellite and Peridot Physical Properties


Peridot and Rubellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.01-3.06   
1.54-1.55   

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

Cleavage
Not Available   
Poor   

Mohs Hardness
7-7.5   
6.5-7   

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.   
(Mg,Fe)2SiO4   

Optical Properties >>
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Rubellite and Peridot Chemical Formula

While comparing Rubellite and Peridot 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 Rubellite and Peridot chemical formula.

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Rubellite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.

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