Umbalite and Tanzanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
3.62-4.33
3.35
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
Perfect {010}, imperfect {100}
Mohs Hardness
7-7.5
6.5-7
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Ca2Al3(SiO4)3(OH)
Umbalite and Tanzanite Chemical Formula
While comparing Umbalite and Tanzanite 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 Tanzanite 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 Tanzanite- Ca2Al3(SiO4)3(OH)
Umbalite and Tanzanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.35 whereas that of Tanzanite is 3.35.