Polyhalite and Stolzite Physical Properties

Polyhalite

Stolzite

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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

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Uneven, Brittle

1.6 Cleavage

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

Imperfect on {001}, indistinct on {011}

1.7 Mohs Hardness

3.52.5-3

2 10

1.8 Chemical Composition

Not Available

Polyhalite and Stolzite Chemical Formula

While comparing Polyhalite and Stolzite 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 Stolzite chemical formula.

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Polyhalite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2 whereas that of Stolzite is 2.