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Umbalite and Diaspore Physical Properties


Diaspore and Umbalite Physical Properties


Physical Properties

Tenacity
Not Available   
Very brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.62-4.33   
3.30-3.40   

Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)   
Conchoidal, Brittle, Conchoidal   

Cleavage
Not Available   
{010} perfect, {110} distinct, {100} in traces   

Mohs Hardness
7-7.5   
6.5-7   

Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)   
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Umbalite and Diaspore Chemical Formula

While comparing Umbalite and Diaspore 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 Diaspore chemical formula.

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Umbalite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.

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