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Narsarsukite
Narsarsukite

Lapis lazuli
Lapis lazuli



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Narsarsukite
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Lapis lazuli

Narsarsukite and Lapis lazuli Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.72-2.832.50-3.00
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Good on {100} and {110}
3,6
1.7 Mohs Hardness
6-75.5
Amber
2 10
1.8 Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

Narsarsukite and Lapis lazuli Chemical Formula

While comparing Narsarsukite and Lapis lazuli 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 Narsarsukite and Lapis lazuli chemical formula.

  • Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  • Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

Narsarsukite and Lapis lazuli Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.