Umbalite and Emerald Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
3.62-4.33
2.67-2.78
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
Imperfect on the [0001]
Mohs Hardness
7-7.5
7.5-8
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Be3Al2SiO6
Umbalite and Emerald Chemical Formula
While comparing Umbalite and Emerald 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 Emerald 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 Emerald- Be3Al2SiO6
Umbalite and Emerald Specific Gravity
Another important criteria for qualitative analysis of gemstones is Umbalite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.