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Celestine and Verdelite Physical Properties


Verdelite and Celestine Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.90-4.00   
2.90-3.40   

Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {001}, good on {210}, poor on {010}   
Not Available   

Mohs Hardness
3-3.5   
7-7.5   

Chemical Composition
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
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.   

Optical Properties >>
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Celestine and Verdelite Chemical Formula

While comparing Celestine and Verdelite 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 Celestine and Verdelite chemical formula.

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Celestine and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.

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