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Narsarsukite and Tourmaline Physical Properties


Tourmaline and Narsarsukite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.72-2.83   
2.85-3.35   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Good on {100} and {110}   
Indistinct   

Mohs Hardness
6-7   
7-7.5   

Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

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Narsarsukite and Tourmaline Chemical Formula

While comparing Narsarsukite and Tourmaline 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 Narsarsukite and Tourmaline chemical formula.

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Narsarsukite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.

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