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Brucite
Brucite

Umbalite
Umbalite



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Brucite
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Umbalite

Brucite and Umbalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
2.39
Irregular
Perfect on {0001}
2.5
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
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)

Brucite and Umbalite Chemical Formula

While comparing Brucite 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 Brucite and Umbalite chemical formula.

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Brucite and Umbalite Specific Gravity

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