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Grandidierite and Helenite Physical Properties


Helenite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
Not Available   

Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   
Not Available   

Cleavage
Perfect   
Not Available   

Mohs Hardness
7.5   
Not Available   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
Not Available   

Optical Properties >>
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Grandidierite and Helenite Chemical Formula

While comparing Grandidierite and Helenite 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 Helenite chemical formula.

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Grandidierite and Helenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Helenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Helenite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is Not Available whereas that of Helenite is Not Available.

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Green Gemstones


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