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Lepidolite and Kyanite Physical Properties


Kyanite and Lepidolite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.90   
3.53-3.65   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)   
Splintery, Brittle, Metallic   

Cleavage
{001} perfect   
[100] perfect [010] imperfect with 79° angle between   

Mohs Hardness
2.5   
4-7   

Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.   
Not Available   

Optical Properties >>
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Lepidolite and Kyanite Chemical Formula

While comparing Lepidolite and Kyanite 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 Kyanite chemical formula.

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Lepidolite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidolite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidolite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Lepidolite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.

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