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Precious Opal and Narsarsukite Physical Properties


Narsarsukite and Precious Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.72-2.83   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   

Cleavage
Not Available   
Good on {100} and {110}   

Mohs Hardness
5-6.5   
6-7   

Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)   
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.   

Optical Properties >>
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Precious Opal and Narsarsukite Chemical Formula

While comparing Precious Opal 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 Precious Opal and Narsarsukite chemical formula.

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Precious Opal and Narsarsukite Specific Gravity

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

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