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Hercynite
Hercynite

Nepheline
Nepheline



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Hercynite
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Nepheline

Hercynite and Nepheline 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
4.392.55-2.65
Amber
1 7.18
1.5 Fracture
ConchoidalGemdat.org, Uneven
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
[1010] Poor
1.7 Mohs Hardness
7.5-85-6
Amber
2 10
1.8 Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Hercynite and Nepheline Chemical Formula

While comparing Hercynite 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 Hercynite and Nepheline chemical formula.

  • Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Hercynite and Nepheline Specific Gravity

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