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Celestine and Phlogopite Physical Properties


Phlogopite and Celestine Physical Properties


Physical Properties

Tenacity
Brittle   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.90-4.00   
2.78-2.85   

Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
None, Uneven   

Cleavage
Perfect on {001}, good on {210}, poor on {010}   
Perfect basal (001)   

Mohs Hardness
3-3.5   
2-2.5   

Chemical Composition
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Celestine and Phlogopite Chemical Formula

While comparing Celestine and Phlogopite 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 Phlogopite chemical formula.

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Celestine and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.

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