Anglesite and Andalusite Physical Properties

Anglesite

Andalusite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

6.30-6.393.05-3.21

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Splintery

Cleavage

[001] good, [210] distinct

Good on {110}, poor on {100}

Mohs Hardness

3-3.57.5

2 10

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Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Anglesite and Andalusite Chemical Formula

While comparing Anglesite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Anglesite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.