Stolzite and Polyhalite Physical Properties

Stolzite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

22.78

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

Conchoidal, Brittle

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

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

1.7 Mohs Hardness

2.5-33.5

2 10

1.8 Chemical Composition

Not Available

Stolzite and Polyhalite Chemical Formula

While comparing Stolzite 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 Stolzite and Polyhalite chemical formula.

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Stolzite and Polyhalite Specific Gravity

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