Anglesite and Hercynite Physical Properties

Anglesite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

6.30-6.394.39

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

[001] good, [210] distinct

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

3-3.57.5-8

2 10

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Chemical Composition

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

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Anglesite and Hercynite Chemical Formula

While comparing Anglesite and Hercynite 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 Hercynite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Anglesite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 4.39 whereas that of Hercynite is 4.39.