Adamite and Austinite Physical Properties
Solubility
Not Available
Easily soluble in cold dilute HCl
Durability
Not Available
Not Available
Specific Gravity
4.32-4.48
4.12
Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Brittle, Uneven, Brittle, Uneven
Cleavage
{101}, good; {010}, poor
Good in two directions parallel to the prism faces {110}
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
CaZn(AsO4)(OH)
Adamite and Austinite Chemical Formula
While comparing Adamite and Austinite 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 Austinite chemical formula.
- Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Austinite- CaZn(AsO4)(OH)
Adamite and Austinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Adamite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 4.12 whereas that of Austinite is 4.12.