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Ruby and Lepidolite Physical Properties


Lepidolite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.80-2.90   

Fracture
Conchoidal   
Uneven, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
No true cleavage   
{001} perfect   

Mohs Hardness
9   
2.5   

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

Optical Properties >>
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Ruby and Lepidolite Chemical Formula

While comparing Ruby 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 Ruby and Lepidolite chemical formula.

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Ruby and Lepidolite Specific Gravity

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

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