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Nepheline
Nepheline

Pezzottaite
Pezzottaite



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Nepheline
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Pezzottaite

Nepheline and Pezzottaite 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
2.55-2.652.90-3.14
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
[1010] Poor
Imperfect; basal
1.7 Mohs Hardness
5-67.5-8
Amber
2 10
1.8 Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Nepheline and Pezzottaite Chemical Formula

While comparing Nepheline and Pezzottaite 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 Pezzottaite chemical formula.

  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Nepheline and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.