Cordierite and Boleite Physical Properties

Cordierite

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

2.57-2.665.05

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

[001] perfect

1.7 Mohs Hardness

7-7.53-3.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

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

Cordierite and Boleite Chemical Formula

While comparing Cordierite 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 Cordierite and Boleite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
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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Cordierite and Boleite Specific Gravity

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