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Williamsite
Williamsite

Umbalite
Umbalite



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Williamsite
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Umbalite

Williamsite and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
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)

Williamsite and Umbalite Chemical Formula

While comparing Williamsite 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 Williamsite and Umbalite chemical formula.

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Williamsite and Umbalite Specific Gravity

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