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Topaz and Prase Opal Physical Properties


Prase Opal and Topaz Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.49-3.57   
1.98-2.25   

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

Cleavage
[001] Perfect   
Not Available   

Mohs Hardness
8   
5-6.5   

Chemical Composition
Al2SiO4(F,OH)2   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Topaz and Prase Opal Chemical Formula

While comparing Topaz and Prase Opal 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 Topaz and Prase Opal chemical formula.

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Topaz and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Topaz is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.

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