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Grandidierite and Hurlbutite Physical Properties


Hurlbutite 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   
2.90   

Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Perfect   
None   

Mohs Hardness
7.5   
6   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Grandidierite and Hurlbutite Chemical Formula

While comparing Grandidierite and Hurlbutite 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 Hurlbutite chemical formula.

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Grandidierite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.90 whereas that of Hurlbutite is 2.90.

Green Gemstones

Green Gemstones


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