Boleite and Polyhalite Physical Properties

Boleite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.78

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Brittle

1.6 Cleavage

[001] perfect

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

1.7 Mohs Hardness

3-3.53.5

2 10

1.8 Chemical Composition

Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Not Available

Boleite and Polyhalite Chemical Formula

While comparing Boleite 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 Boleite and Polyhalite chemical formula.

Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Boleite and Polyhalite Specific Gravity

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