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