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Topaz and Lepidolite Physical Properties


Lepidolite 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   
2.80-2.90   

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

Cleavage
[001] Perfect   
{001} perfect   

Mohs Hardness
8   
2.5   

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

Optical Properties >>
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Topaz and Lepidolite Chemical Formula

While comparing Topaz and Lepidolite 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 Lepidolite chemical formula.

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Topaz and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.

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