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Londonite and Cymophane Physical Properties


Cymophane and Londonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.34   
3.69-3.81   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Not Available   

Cleavage
None   
Not Available   

Mohs Hardness
Not Available   
8.5   

Chemical Composition
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)   
BeAl 2O 4Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Londonite and Cymophane Chemical Formula

While comparing Londonite and Cymophane 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 Londonite and Cymophane chemical formula.

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Londonite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Londonite is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.

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