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Emerald
Emerald

Londonite
Londonite



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Emerald
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Londonite

Emerald and Londonite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
Hard
2.67-2.78
Uneven, ConchoidalWalter Schumann
Imperfect on the [0001]
7.5-8
Be3Al2SiO6
 
-
-
-
3.34
Conchoidal
None
-9999
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Emerald and Londonite Chemical Formula

While comparing Emerald 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 Emerald and Londonite chemical formula.

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Emerald and Londonite Specific Gravity

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