Umbalite and Prasiolite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-4.33
2.65
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
3,1
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
SiO 2Ulrich Henn and Claudio C.
Umbalite and Prasiolite Chemical Formula
While comparing Umbalite and Prasiolite 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 Prasiolite 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 Prasiolite- SiO 2Ulrich Henn and Claudio C.
Umbalite and Prasiolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.65 whereas that of Prasiolite is 2.65.