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Nepheline
Nepheline

Sphene
Sphene



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Nepheline
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Sphene

Nepheline and Sphene Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.65Not Available
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
1.6 Cleavage
[1010] Poor
Not Available
1.7 Mohs Hardness
5-6Not Available
Amber
2 10
1.8 Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Not Available

Nepheline and Sphene Chemical Formula

While comparing Nepheline and Sphene 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 Sphene chemical formula.

  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
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Nepheline and Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Sphene Optical Properties during the identification of gemstone. Specific gravity of Nepheline is Not Available whereas that of Sphene is Not Available.