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Rubellite and Hematite Physical Properties


Hematite and Rubellite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.01-3.06   
5.00-5.30   

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

Cleavage
Not Available   
None, may show partings on {0001} and {10 1 1}   

Mohs Hardness
7-7.5   
6   

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.   
Fe 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Rubellite and Hematite Chemical Formula

While comparing Rubellite and Hematite 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 Hematite chemical formula.

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Rubellite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

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