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Kunzite and Petalite Physical Properties


Petalite and Kunzite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.15-3.21   
2.40   

Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)   
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal   

Cleavage
1,2 prismatic   
Perfect on {001}, poor on {201} with 38.5° angle between the two   

Mohs Hardness
6-7   
6-6.5   

Chemical Composition
LiAlSi2O6   
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Kunzite and Petalite Chemical Formula

While comparing Kunzite and Petalite 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 Kunzite and Petalite chemical formula.

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Kunzite and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Petalite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 2.40 whereas that of Petalite is 2.40.

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