Anglesite and Gypsum Physical Properties

Anglesite

Gypsum

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.30-6.392.20-2.40

1 7.18

1.5 Fracture

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

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

[001] good, [210] distinct

Perfect on {010}, distinct on {100}

1.7 Mohs Hardness

3-3.52

2 10

1.8 Chemical Composition

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

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Anglesite and Gypsum Chemical Formula

While comparing Anglesite and Gypsum 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 Gypsum chemical formula.

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

Compare Green Gemstones

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Anglesite Vs Astrophyllite

Anglesite Vs Augite

Anglesite and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.