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Lazurite
Lazurite

Prase
Prase



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Lazurite
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Prase

Lazurite and Prase Physical Properties

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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
2.752.64-2.69
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
1.6 Cleavage
Imperfect on {110}
Not Available
1.7 Mohs Hardness
5.57
Amber
2 10
1.8 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Lazurite and Prase Chemical Formula

While comparing Lazurite and Prase 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 Prase chemical formula.

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

Lazurite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Prase Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.64-2.69 whereas that of Prase is 2.64-2.69.