Kyanite and Boleite Physical Properties

Kyanite

Boleite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.655.05

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

[001] perfect

1.7 Mohs Hardness

4-73-3.5

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Boleite Chemical Formula

While comparing Kyanite and Boleite 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 Kyanite and Boleite 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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Kyanite and Boleite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Boleite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 5.05 whereas that of Boleite is 5.05.