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Nepheline and Cobaltite Physical Properties


Cobaltite and Nepheline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
6.3   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic   

Cleavage
[1010] Poor   
{100} Good, {010} Good, {001} Good   

Mohs Hardness
5-6   
5.5   

Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   
CoAsSAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Nepheline and Cobaltite Chemical Formula

While comparing Nepheline and Cobaltite 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 Nepheline and Cobaltite chemical formula.

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Nepheline and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 6.3 whereas that of Cobaltite is 6.3.

Red Gemstones

Red Gemstones


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