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Gaylussite and Topaz Physical Properties


Topaz 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   
3.49-3.57   

Fracture
Conchoidal, Conchoidal, Brittle   
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
perfect [110]   
[001] Perfect   

Mohs Hardness
2.5   
8   

Chemical Composition
Na2Ca(CO3)2•5(H2O)   
Al2SiO4(F,OH)2   

Optical Properties >>
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Gaylussite and Topaz Chemical Formula

While comparing Gaylussite and Topaz 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 Topaz chemical formula.

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Gaylussite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gaylussite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaylussite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Gaylussite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.

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