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Omphacite and Lazurite Physical Properties


Lazurite and Omphacite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.16-3.43   
2.75   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
{110} Good, {110} Good   
Imperfect on {110}   

Mohs Hardness
5-6   
5.5   

Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)   
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.   

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Omphacite and Lazurite Chemical Formula

While comparing Omphacite and Lazurite 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 Omphacite and Lazurite chemical formula.

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Omphacite and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.75 whereas that of Lazurite is 2.75.

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