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Cuprite
Cuprite

Piemontite
Piemontite



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Cuprite
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Piemontite

Cuprite and Piemontite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

5.85-6.15-9999
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Splintery

Cleavage

Fair in four directions forming octahedrons
[001] good, [100] distinct

Mohs Hardness

3.5-46-6.5
2 10
👆🏻

Chemical Composition

Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)

Cuprite and Piemontite Chemical Formula

While comparing Cuprite and Piemontite 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 Piemontite chemical formula.

  • Chemical formula of Cuprite- Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)

Cuprite and Piemontite Specific Gravity

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