Polyhalite and Gyrolite Physical Properties

Polyhalite

Gyrolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.48

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

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

Perfect on {001}

1.7 Mohs Hardness

3.52

2 10

1.8 Chemical Composition

Not Available

NaCa16Si23AlO60(OH)8•64(H2O)

Polyhalite and Gyrolite Chemical Formula

While comparing Polyhalite and Gyrolite 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 Gyrolite chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(H2O)

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Polyhalite and Gyrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Gyrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Gyrolite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.48 whereas that of Gyrolite is 2.48.