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Tortoiseshell
Tortoiseshell

Londonite
Londonite



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Tortoiseshell
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Londonite

Tortoiseshell and Londonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.25-1.35
-
None
-9999
-
 
-
-
-
3.34
Conchoidal
None
-9999
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Tortoiseshell and Londonite Chemical Formula

While comparing Tortoiseshell 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 Tortoiseshell and Londonite chemical formula.

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Tortoiseshell and Londonite Specific Gravity

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