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Umbalite and Boleite Physical Properties


Boleite and Umbalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.62-4.33   
5.05   

Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)   
Uneven, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
[001] perfect   

Mohs Hardness
7-7.5   
3-3.5   

Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)   
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Umbalite and Boleite Chemical Formula

While comparing Umbalite and Boleite 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 Boleite chemical formula.

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Umbalite and Boleite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Boleite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 5.05 whereas that of Boleite is 5.05.

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Gems Found In Africa


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