Gypsum and Azurite Physical Properties

Gypsum

Azurite

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.403.70-3.90

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {010}, distinct on {100}

Perfect on {011}, fair on {100}, poor on {110}

1.7 Mohs Hardness

23.5-4

2 10

1.8 Chemical Composition

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

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gypsum and Azurite Chemical Formula

While comparing Gypsum and Azurite 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 Gypsum and Azurite chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

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Gypsum Vs Hurlbutite

Gypsum Vs Hibschite

Gypsum and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Azurite Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 3.70-3.90 whereas that of Azurite is 3.70-3.90.