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Nepheline
Nepheline

Fluorite
Fluorite



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Nepheline
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Fluorite

Nepheline and Fluorite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
slightly water soluble and in hot hydrochloric acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.653.00-3.25
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
[1010] Poor
Octahedral, perfect on {111}, parting on {011}
1.7 Mohs Hardness
5-64
Amber
2 10
1.8 Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
CaF2

Nepheline and Fluorite Chemical Formula

While comparing Nepheline and Fluorite 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 Fluorite chemical formula.

  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
  • Chemical formula of Fluorite- CaF2

Nepheline and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.