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Rubellite and Caledonite Physical Properties


Caledonite and Rubellite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.01-3.06   
5.6-5.76   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Not Available   
[001] perfect; [100] distinct   

Mohs Hardness
7-7.5   
2.5-3   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Rubellite and Caledonite Chemical Formula

While comparing Rubellite and Caledonite 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 Rubellite and Caledonite chemical formula.

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Rubellite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.

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