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Grandidierite and Hemimorphite Physical Properties


Hemimorphite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
3.30-3.50   

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

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

Mohs Hardness
7.5   
5   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Grandidierite and Hemimorphite Chemical Formula

While comparing Grandidierite and Hemimorphite 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 Grandidierite and Hemimorphite chemical formula.

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Grandidierite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.

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Green Gemstones


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