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Demantoid
Demantoid

Umbalite
Umbalite



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Demantoid
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Umbalite

Demantoid and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
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)

Demantoid and Umbalite Chemical Formula

While comparing Demantoid 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 Demantoid and Umbalite chemical formula.

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Demantoid and Umbalite Specific Gravity

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