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Tourmaline and Prase Physical Properties


Prase and Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
2.64-2.69   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)   

Cleavage
Indistinct   
Not Available   

Mohs Hardness
7-7.5   
7   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Tourmaline and Prase Chemical Formula

While comparing Tourmaline and Prase 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 Tourmaline and Prase chemical formula.

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Tourmaline and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Prase Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.64-2.69 whereas that of Prase is 2.64-2.69.

Semi Precious

Semi Precious


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