Corundum and Anglesite Physical Properties

Corundum

Anglesite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.056.30-6.39

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

None – parting in 3 directions

[001] good, [210] distinct

1.7 Mohs Hardness

93-3.5

2 10

1.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

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

Corundum and Anglesite Chemical Formula

While comparing Corundum and Anglesite 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 Corundum and Anglesite chemical formula.

Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Corundum and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.