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Danburite and Rubellite Physical Properties


Rubellite and Danburite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.97-3.03   
3.01-3.06   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{001} Poor   
Not Available   

Mohs Hardness
7   
7-7.5   

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

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Danburite and Rubellite Chemical Formula

While comparing Danburite and Rubellite 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 Danburite and Rubellite chemical formula.

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Danburite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.

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Yellow Gemstones


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