Grandidierite and Hyacinth Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
3.93-4.73
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect
Not Available
Mohs Hardness
7.5
6.5-7.5
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Grandidierite and Hyacinth Chemical Formula
While comparing Grandidierite and Hyacinth 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 Hyacinth chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Grandidierite and Hyacinth Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.