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Hemimorphite and Tourmaline Physical Properties


Tourmaline and Hemimorphite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.30-3.50   
2.85-3.35   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {110}, poor on {101}, {001} rare   
Indistinct   

Mohs Hardness
5   
7-7.5   

Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

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Hemimorphite and Tourmaline Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Tourmaline chemical formula.

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Hemimorphite and Tourmaline Specific Gravity

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

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Green Gemstones


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