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Londonite
Londonite

Sinhalite
Sinhalite



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Londonite
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Sinhalite

Londonite and Sinhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.34
Conchoidal
None
-9999
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
3.46-3.50
Conchoidal
Perfect
6-7
MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Londonite and Sinhalite Chemical Formula

While comparing Londonite and Sinhalite 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 Sinhalite chemical formula.

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Londonite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite Vs Sinhalite during the identification of gemstone. Specific gravity of Londonite is whereas that of Sinhalite is .