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Nepheline
Nepheline

Cordierite Iolite
Cordierite Iolite



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Nepheline
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Cordierite Iolite

Nepheline and Cordierite Iolite Physical Properties

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
2.55-2.652.56-2.66
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
[1010] Poor
Not Available
1.7 Mohs Hardness
5-67-7.5
Amber
2 10
1.8 Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Nepheline and Cordierite Iolite Chemical Formula

While comparing Nepheline and Cordierite Iolite 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 Cordierite Iolite chemical formula.

  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Nepheline and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.