Microlite and Umbalite Physical Properties
Specific Gravity
5.5
3.62-4.33
Fracture
Conchoidal
Uneven
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Indiscernible
Mohs Hardness
5-5.5
7-7.5
Chemical Composition
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Microlite and Umbalite Chemical Formula
While comparing Microlite 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 Microlite and Umbalite chemical formula.
- Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Microlite and Umbalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Microlite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.