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Citrine
Citrine

Nepheline
Nepheline



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Citrine and Nepheline 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
2.65
2.55-2.65
1.5 Fracture
ConchoidalMichael O’Donoghue, Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Indiscernible
[1010] Poor
1.7 Mohs Hardness
7
5-6
1.8 Chemical Composition
SiO2
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Citrine and Nepheline Chemical Formula

While comparing Citrine and Nepheline 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 Citrine and Nepheline chemical formula.

  • Chemical formula of Citrine- SiO2
  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Citrine and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Citrine and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Citrine and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Citrine is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.