Polyhalite and Ammolite Physical Properties

Polyhalite

Ammolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78

2.75-2.80

1.5 Fracture

Conchoidal, Brittle

Uneven, Granular

1.6 Cleavage

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

no true cleavage

1.7 Mohs Hardness

3.5

1.8 Chemical Composition

Not Available

Polyhalite and Ammolite Chemical Formula

While comparing Polyhalite and Ammolite 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 Ammolite chemical formula.

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Polyhalite and Ammolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Ammolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Ammolite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.75-2.80 whereas that of Ammolite is 2.75-2.80.