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Lazurite
Lazurite

Shigaite
Shigaite



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Lazurite
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Shigaite

Lazurite and Shigaite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Moderately flexible
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.752.32
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Flexible Flexible fragments.
1.6 Cleavage
Imperfect on {110}
Perfect on {0001}
1.7 Mohs Hardness
5.52
Amber
2 10
1.8 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Not Available

Lazurite and Shigaite Chemical Formula

While comparing Lazurite and Shigaite 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 Lazurite and Shigaite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Lazurite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.32 whereas that of Shigaite is 2.32.