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Cuprite
Cuprite

Sylvite
Sylvite



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Cuprite
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Sylvite

Cuprite and Sylvite Physical Properties

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Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

5.85-6.151.993
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Fair in four directions forming octahedrons
Perfect on [100], [010], [001]

Mohs Hardness

3.5-42.5
2 10
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Chemical Composition

Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KCl

Cuprite and Sylvite Chemical Formula

While comparing Cuprite and Sylvite 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 Sylvite chemical formula.

  • Chemical formula of Cuprite- Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Sylvite- KCl

Cuprite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 1.993 whereas that of Sylvite is 1.993.