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Bornite and Grandidierite Physical Properties


Grandidierite and Bornite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.06-5.08   
2.85-3.00   

Fracture
Uneven, Subconchoidal, Conchoidal, Brittle   
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   

Cleavage
Poor on [111].   
Perfect   

Mohs Hardness
3-3.25   
7.5   

Chemical Composition
Cu5FeS4   
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   

Optical Properties >>
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Bornite and Grandidierite Chemical Formula

While comparing Bornite and Grandidierite 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 Bornite and Grandidierite chemical formula.

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Bornite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.

Red Gemstones

Red Gemstones


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