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Tourmaline and Friedelite Physical Properties


Friedelite 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   
3.06-3.19   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven   

Cleavage
Indistinct   
{010} Perfect   

Mohs Hardness
7-7.5   
4-5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   

Optical Properties >>
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Tourmaline and Friedelite Chemical Formula

While comparing Tourmaline and Friedelite 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 Friedelite chemical formula.

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Tourmaline and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.

Semi Precious

Semi Precious


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