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Star Ruby and Norbergite Physical Properties


Norbergite and Star Ruby Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.10   
3.177   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Not Available   
{???} Distinct   

Mohs Hardness
Not Available   
6-6.5   

Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)   
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)   

Optical Properties >>
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Star Ruby and Norbergite Chemical Formula

While comparing Star Ruby and Norbergite 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 Star Ruby and Norbergite chemical formula.

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Star Ruby and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.177 whereas that of Norbergite is 3.177.

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