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Lepidolite and Topaz Physical Properties


Topaz and Lepidolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.90   
3.49-3.57   

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

Cleavage
{001} perfect   
[001] Perfect   

Mohs Hardness
2.5   
8   

Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.   
Al2SiO4(F,OH)2   

Optical Properties >>
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Lepidolite and Topaz Chemical Formula

While comparing Lepidolite 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 Lepidolite and Topaz chemical formula.

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Lepidolite and Topaz Specific Gravity

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

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