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Thulite
Thulite

Londonite
Londonite



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Thulite
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Londonite

Thulite and Londonite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
3.1
Uneven, Conchoidal
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)
 
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-
-
3.34
Conchoidal
None
-9999
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Thulite and Londonite Chemical Formula

While comparing Thulite 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 Thulite and Londonite chemical formula.

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Thulite and Londonite Specific Gravity

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