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Gaylussite and Pargasite Physical Properties


Pargasite and Gaylussite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
decomposes in water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.93-1.99   
3.04-3.26   

Fracture
Conchoidal, Conchoidal, Brittle   
Splintery, Brittle, Uneven   

Cleavage
perfect [110]   
{110} perfect   

Mohs Hardness
2.5   
5-6   

Chemical Composition
Na2Ca(CO3)2•5(H2O)   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Gaylussite and Pargasite Chemical Formula

While comparing Gaylussite and Pargasite 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 Gaylussite and Pargasite chemical formula.

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Gaylussite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gaylussite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaylussite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Gaylussite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

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