Moroxite and Polyhalite Physical Properties

Moroxite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.13-3.262.78

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {10 1 }; parting on {010}

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)

Not Available

Moroxite and Polyhalite Chemical Formula

While comparing Moroxite 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 Moroxite and Polyhalite chemical formula.

Chemical formula of Moroxite- Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)

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Moroxite and Polyhalite Specific Gravity

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