Fluorite and Nepheline Physical Properties
Tenacity
Brittle
Not Available
Solubility
slightly water soluble and in hot hydrochloric acid
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
2.55-2.65
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Octahedral, perfect on {111}, parting on {011}
[1010] Poor
Chemical Composition
CaF2
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Fluorite and Nepheline Chemical Formula
While comparing Fluorite 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 Fluorite and Nepheline chemical formula.
- Chemical formula of Fluorite- CaF2
- Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Fluorite and Nepheline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.