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Microlite and Polyhalite Physical Properties


Polyhalite and Microlite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
5.5   
2.78   

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

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Perfect on {10 1 }; parting on {010}   

Mohs Hardness
5-5.5   
3.5   

Chemical Composition
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Microlite and Polyhalite Chemical Formula

While comparing Microlite and Polyhalite 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 Microlite and Polyhalite chemical formula.

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Microlite and Polyhalite Specific Gravity

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

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