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Sard
Sard

Umbalite
Umbalite



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Sard
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Umbalite

Sard and Umbalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich 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)

Sard and Umbalite Chemical Formula

While comparing Sard 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 Sard and Umbalite chemical formula.

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Sard and Umbalite Specific Gravity

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