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Eilat stone and Topaz Physical Properties


Topaz and Eilat stone Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Not Available   

Durability
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Not Available   

Specific Gravity
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3.49-3.57   

Fracture
Not Available   
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
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[001] Perfect   

Mohs Hardness
Not Available   
8   

Chemical Composition
Not Available   
Al2SiO4(F,OH)2   

Optical Properties >>
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Eilat stone and Topaz Chemical Formula

While comparing Eilat stone 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 Eilat stone and Topaz chemical formula.

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Eilat stone and Topaz Specific Gravity

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

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Blue Gemstones


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