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Umbalite
Umbalite

Prase
Prase



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Umbalite
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Prase

Umbalite and Prase Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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)
 
-
-
-
2.64-2.69
-
None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Umbalite and Prase Chemical Formula

While comparing Umbalite and Prase 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 Umbalite and Prase chemical formula.

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Umbalite and Prase Specific Gravity

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