Grandidierite and Mellite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
1.58-1.60
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect
{011} Imperfect
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Grandidierite and Mellite Chemical Formula
While comparing Grandidierite and Mellite 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 Grandidierite and Mellite chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Grandidierite and Mellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.