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Dallasite
Dallasite

Umbalite
Umbalite



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Dallasite
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Umbalite

Dallasite and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.58-2.91
-
-
6.5-7
-
 
-
-
-
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)

Dallasite and Umbalite Chemical Formula

While comparing Dallasite 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 Dallasite and Umbalite chemical formula.

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Dallasite and Umbalite Specific Gravity

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