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Halite
Halite

Lazurite
Lazurite



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Halite and Lazurite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Water-soluble
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.17
2.75
1.5 Fracture
Conchoidal, Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect {001}, three directions cubic
Imperfect on {110}
1.7 Mohs Hardness
2.0-2.5
5.5
1.8 Chemical Composition
NaCl
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Halite and Lazurite Chemical Formula

While comparing Halite and Lazurite 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 Halite and Lazurite chemical formula.

  • Chemical formula of Halite- NaCl
  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Halite and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Halite and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Halite is 2.75 whereas that of Lazurite is 2.75.