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Lazurite
Lazurite

Anorthoclase
Anorthoclase



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Lazurite
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Lazurite and Anorthoclase Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.75
2.56-2.62
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Imperfect on {110}
From the Greek for oblique and fracture, descriptive of the cleavage
1.7 Mohs Hardness
5.5
6-6.5
1.8 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
(Na,K)AlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Lazurite and Anorthoclase Chemical Formula

While comparing Lazurite and Anorthoclase 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 Anorthoclase chemical formula.

  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
  • Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Lazurite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.