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Hercynite and Narsarsukite Physical Properties


Narsarsukite and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
2.72-2.83   

Fracture
ConchoidalGemdat.org, Uneven   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Good on {100} and {110}   

Mohs Hardness
7.5-8   
6-7   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.   

Optical Properties >>
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Hercynite and Narsarsukite Chemical Formula

While comparing Hercynite and Narsarsukite 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 Hercynite and Narsarsukite chemical formula.

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Hercynite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.

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