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Pleonaste and Grandidierite Physical Properties


Grandidierite and Pleonaste Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.80   
2.85-3.00   

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

Cleavage
Not Available   
Perfect   

Mohs Hardness
8   
7.5   

Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)   
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   

Optical Properties >>
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Pleonaste and Grandidierite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Grandidierite chemical formula.

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Pleonaste and Grandidierite Specific Gravity

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

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