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Lazurite and Annabergite Physical Properties


Annabergite and Lazurite Physical Properties


Physical Properties

Tenacity
Brittle   
Sectile   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.75   
3.07   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   

Cleavage
Imperfect on {110}   
Perfect on {010}, indistinct on {100} and {102}   

Mohs Hardness
5.5   
2   

Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.   
Ni3(AsO4)2•8(H2O)   

Optical Properties >>
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Lazurite and Annabergite Chemical Formula

While comparing Lazurite and Annabergite 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 Annabergite chemical formula.

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Lazurite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.07 whereas that of Annabergite is 3.07.

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