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Norbergite and Pargasite Physical Properties


Pargasite and Norbergite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.177   
3.04-3.26   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Splintery, Brittle, Uneven   

Cleavage
{???} Distinct   
{110} perfect   

Mohs Hardness
6-6.5   
5-6   

Chemical Composition
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Norbergite and Pargasite Chemical Formula

While comparing Norbergite and Pargasite 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 Norbergite and Pargasite chemical formula.

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Norbergite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

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