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Dolomite
Dolomite

Londonite
Londonite



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Dolomite
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Londonite

Dolomite and Londonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Poorly soluble in dilute HCl
-
2.80-2.95
Conchoidal
Perfect on {10 1 1}, rhombohedral cleavage
3.5-4
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.34
Conchoidal
None
-9999
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Dolomite and Londonite Chemical Formula

While comparing Dolomite and Londonite 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 Dolomite and Londonite chemical formula.

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Dolomite and Londonite Specific Gravity

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