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Mellite and Tourmaline Physical Properties


Tourmaline and Mellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.58-1.60   
2.85-3.35   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{011} Imperfect   
Indistinct   

Mohs Hardness
2   
7-7.5   

Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

Optical Properties >>
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Mellite and Tourmaline Chemical Formula

While comparing Mellite and Tourmaline 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 Mellite and Tourmaline chemical formula.

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Mellite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mellite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Mellite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.

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Brown Gemstones


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