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Lazurite
Lazurite

Hematite
Hematite



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Lazurite
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Hematite

Lazurite and Hematite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.755.00-5.30
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Imperfect on {110}
None, may show partings on {0001} and {10 1 1}
1.7 Mohs Hardness
5.56
Amber
2 10
1.8 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Fe 2O 3Arthur Thomas , Gemstones (2009)

Lazurite and Hematite Chemical Formula

While comparing Lazurite and Hematite 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 Hematite chemical formula.

  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
  • Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Lazurite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.