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Spessartine and Tourmaline Physical Properties


Tourmaline and Spessartine Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.12-4.18   
2.85-3.35   

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

Cleavage
{???} Distinct   
Indistinct   

Mohs Hardness
7-7.5   
7-7.5   

Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

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Spessartine and Tourmaline Chemical Formula

While comparing Spessartine 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 Spessartine and Tourmaline chemical formula.

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Spessartine and Tourmaline Specific Gravity

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

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Red Gemstones


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