Anglesite and Cordierite Physical Properties

Anglesite

Cordierite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.30-6.392.57-2.66

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

[001] good, [210] distinct

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

Mohs Hardness

3-3.57-7.5

2 10

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Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Mg2Al4Si5O18

Anglesite and Cordierite Chemical Formula

While comparing Anglesite and Cordierite 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 Anglesite and Cordierite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Cordierite- Mg2Al4Si5O18

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Anglesite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.