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Umbalite
Umbalite

Bytownite
Bytownite



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Umbalite
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Bytownite

Umbalite and Bytownite Physical Properties

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)
 
Brittle
-
-
2.72-2.75
Uneven
Perfect on [001], good on [010], imperfect on [110]
6-6.5
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Umbalite and Bytownite Chemical Formula

While comparing Umbalite and Bytownite 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 Bytownite chemical formula.

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Umbalite and Bytownite Specific Gravity

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