Girasol and Grandidierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.50
2.85-3.00
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Not Available
Perfect
Mohs Hardness
5.5-6.5
7.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Girasol and Grandidierite Chemical Formula
While comparing Girasol 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 Girasol and Grandidierite chemical formula.
- Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Girasol and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Girasol and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Girasol and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Girasol is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.