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Arfvedsonite and Grandidierite Physical Properties


Grandidierite and Arfvedsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.3-3.5   
2.85-3.00   

Fracture
Uneven, Brittle, Metallic, Brittle, Metallic   
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   

Cleavage
Perfect on [110]   
Perfect   

Mohs Hardness
5-6   
7.5   

Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2   
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   

Optical Properties >>
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Arfvedsonite and Grandidierite Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Grandidierite chemical formula.

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Arfvedsonite and Grandidierite Specific Gravity

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

Green Gemstones

Green Gemstones


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