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Caledonite and Sugilite Physical Properties


Sugilite and Caledonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.6-5.76   
2.69-2.79   

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

Cleavage
[001] perfect; [100] distinct   
Poor on {0001}   

Mohs Hardness
2.5-3   
5.5-6.5   

Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)   
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Caledonite and Sugilite Chemical Formula

While comparing Caledonite and Sugilite 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 Caledonite and Sugilite chemical formula.

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Caledonite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.

Blue Gemstones

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