Polyhalite and Plumbogummite Physical Properties

Polyhalite

Plumbogummite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.78

4.014

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5

4-5

1.8 Chemical Composition

Not Available

Polyhalite and Plumbogummite Chemical Formula

While comparing Polyhalite and Plumbogummite 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 Plumbogummite chemical formula.

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Polyhalite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 4.014 whereas that of Plumbogummite is 4.014.