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Cuprite
Cuprite

Colemanite
Colemanite



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Cuprite
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Colemanite

Cuprite and Colemanite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.85-6.152.40-2.42
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Fair in four directions forming octahedrons
{010} Perfect, {001} Distinct

Mohs Hardness

3.5-44.5
2 10
👆🏻

Chemical Composition

Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cuprite and Colemanite Chemical Formula

While comparing Cuprite and Colemanite 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 Colemanite chemical formula.

  • Chemical formula of Cuprite- Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cuprite and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.