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Montebrasite
Montebrasite

Umbalite
Umbalite



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Montebrasite
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Umbalite

Montebrasite and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.98-3.10
Uneven, Conchoidal
{100} Perfect, {110} Good, {011} Distinct
5.5-6
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
 
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-
-
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)

Montebrasite and Umbalite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Umbalite chemical formula.

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Montebrasite and Umbalite Specific Gravity

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