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Tourmaline and Hodgkinsonite Physical Properties


Hodgkinsonite 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   
4.06-4.08   

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

Cleavage
Indistinct   
{???} Perfect   

Mohs Hardness
7-7.5   
4.5-5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Tourmaline and Hodgkinsonite Chemical Formula

While comparing Tourmaline and Hodgkinsonite 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 Hodgkinsonite chemical formula.

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Tourmaline and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.

Semi Precious

Semi Precious


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