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Umbalite
Umbalite

Pearl
Pearl



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Umbalite
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Pearl

Umbalite and Pearl Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.62-4.33
2.60-2.85
1.5 Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
none
1.7 Mohs Hardness
7-7.5
2.5-4.5
1.8 Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Not Available

Umbalite and Pearl Chemical Formula

While comparing Umbalite and Pearl 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 Pearl chemical formula.

  • Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
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Umbalite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.