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Prehnite and Lazulite Physical Properties


Lazulite and Prehnite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.95   
3.04-3.17   

Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Uneven, Uneven, Gemstones of the world (2001) More from other references   

Cleavage
Distinct on [001]   
{001} Indistinct, {???} Indistinct   

Mohs Hardness
6-6.5   
5.5   

Chemical Composition
Ca2Al2Si3O12(OH)   
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references   

Optical Properties >>
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Prehnite and Lazulite Chemical Formula

While comparing Prehnite 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 Prehnite and Lazulite chemical formula.

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Prehnite and Lazulite Specific Gravity

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

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