Umbalite and Thulite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-4.33
3.1
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Perfect {010} imperfect {100}
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Ca2Al3(SiO4)3(OH)
Umbalite and Thulite Chemical Formula
While comparing Umbalite and Thulite 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 Thulite 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 Thulite- Ca2Al3(SiO4)3(OH)
Umbalite and Thulite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.1 whereas that of Thulite is 3.1.