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Umbalite
Umbalite
☒

Fayalite
Fayalite
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Umbalite
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Fayalite

Umbalite and Fayalite 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)
 
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-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Umbalite and Fayalite Chemical Formula

While comparing Umbalite and Fayalite 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 Fayalite chemical formula.

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Umbalite and Fayalite Specific Gravity

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