Cuprite and Anhydrite Physical Properties

Cuprite

Anhydrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.85-6.152.90-2.98

1 7.18

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Fracture

Conchoidal

Cleavage

Fair in four directions forming octahedrons

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

Mohs Hardness

3.5-43.5

2 10

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Chemical Composition

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cuprite and Anhydrite Chemical Formula

While comparing Cuprite and Anhydrite 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 Cuprite and Anhydrite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Cuprite Vs Manganotantalite

Cuprite and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.