Umbalite and Jadeite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-4.33
3.28-3.38
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Cleavage
Not Available
Good on [110]
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)
NaAlSi 2O 6Ulrich Henn and Claudio C.
Umbalite and Jadeite Chemical Formula
While comparing Umbalite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Umbalite and Jadeite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.