Londonite and London blue topaz Physical Properties

Londonite and London blue topaz Chemical Formula

While comparing Londonite and London blue topaz 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 London blue topaz chemical formula.

• Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
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Londonite and London blue topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and London blue topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and London blue topaz Optical Properties during the identification of gemstone. Specific gravity of Londonite is Not Available whereas that of London blue topaz is Not Available.