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Sphalerite
Sphalerite

Umbalite
Umbalite



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Sphalerite
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Umbalite

Sphalerite and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.95-4.10
Uneven
{110} Perfect, {110} Perfect, {110} Perfect
3.5-4
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
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)

Sphalerite and Umbalite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Umbalite chemical formula.

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Sphalerite and Umbalite Specific Gravity

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