Umbalite and Villiaumite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-4.33
2.79
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Brittle, Metallic
Cleavage
Not Available
{100} Perfect, {010} Perfect, {001} Perfect
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
NaFUlrich Henn and Claudio C.
Umbalite and Villiaumite Chemical Formula
While comparing Umbalite and Villiaumite 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 Villiaumite chemical formula.
- Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
- Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Umbalite and Villiaumite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.79 whereas that of Villiaumite is 2.79.