Adamite and Grandidierite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.32-4.48
2.85-3.00
Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
{101}, good; {010}, poor
Perfect
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Adamite and Grandidierite Chemical Formula
While comparing Adamite 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 Adamite and Grandidierite chemical formula.
- Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Adamite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Adamite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.