Muscovite and Grandidierite Physical Properties
Tenacity
Elastic
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.78-2.88
2.85-3.00
Fracture
Micaceous, Brittle
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Perfect on the {001}
Perfect
Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Muscovite and Grandidierite Chemical Formula
While comparing Muscovite and Grandidierite 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 Muscovite and Grandidierite chemical formula.
- Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Muscovite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Muscovite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.