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Purpurite and Lazulite Physical Properties


Lazulite and Purpurite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
3.04-3.17   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, Gemstones of the world (2001) More from other references   

Cleavage
[100] [001] perfect   
{001} Indistinct, {???} Indistinct   

Mohs Hardness
4-4.5   
5.5   

Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references   
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references   

Optical Properties >>
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Purpurite and Lazulite Chemical Formula

While comparing Purpurite and Lazulite 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 Purpurite and Lazulite chemical formula.

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Purpurite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.

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