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Cuprite
Cuprite

Umbalite
Umbalite



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Cuprite
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Umbalite

Cuprite and Umbalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.85-6.15
Conchoidal
Fair in four directions forming octahedrons
3.5-4
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.62-4.33
Uneven
Indiscernible
7-7.5
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Cuprite and Umbalite Chemical Formula

While comparing Cuprite and Umbalite 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 Umbalite chemical formula.

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Cuprite and Umbalite Specific Gravity

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