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Zincite
Zincite

Umbalite
Umbalite



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Zincite
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Umbalite

Zincite and Umbalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.50-5.90
Conchoidal
On {10 1 0}, perfect; parting on {000 1 }
4
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
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)

Zincite and Umbalite Chemical Formula

While comparing Zincite 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 Zincite and Umbalite chemical formula.

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Zincite and Umbalite Specific Gravity

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