Polyhalite and Jeremejevite Physical Properties

Polyhalite

Jeremejevite

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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

2.783.28-3.31

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

3.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Polyhalite and Jeremejevite Chemical Formula

While comparing Polyhalite and Jeremejevite 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 Jeremejevite chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Polyhalite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.