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Lazurite
Lazurite

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Dolomite



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Lazurite and Dolomite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Poorly soluble in dilute HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.75
2.80-2.95
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Imperfect on {110}
Perfect on {10 1 1}, rhombohedral cleavage
1.7 Mohs Hardness
5.5
3.5-4
1.8 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lazurite and Dolomite Chemical Formula

While comparing Lazurite and Dolomite 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 Dolomite chemical formula.

  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
  • Chemical formula of Dolomite- CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lazurite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.