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Anhydrite
Anhydrite

Cuprite
Cuprite



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Anhydrite
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Cuprite

Anhydrite and Cuprite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-2.985.85-6.15
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Fair in four directions forming octahedrons
1.7 Mohs Hardness
3.53.5-4
Amber
2 10
1.8 Chemical Composition
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anhydrite and Cuprite Chemical Formula

While comparing Anhydrite and Cuprite 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 Anhydrite and Cuprite chemical formula.

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

Anhydrite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.