Polyhalite and Ceylonite Physical Properties

Polyhalite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.63-3.9

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Indistinct

1.7 Mohs Hardness

3.57.5-8

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Polyhalite and Ceylonite Chemical Formula

While comparing Polyhalite and Ceylonite 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 Polyhalite and Ceylonite chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Polyhalite and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.