Austinite and Nosean Physical Properties
Tenacity
Brittle
Not Available
Solubility
Easily soluble in cold dilute HCl
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.12
2.30-2.40
Fracture
Brittle, Uneven, Brittle, Uneven
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Good in two directions parallel to the prism faces {110}
{110} Perfect
Mohs Hardness
4-4.5
Not Available
Chemical Composition
CaZn(AsO4)(OH)
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Austinite and Nosean Chemical Formula
While comparing Austinite and Nosean 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 Austinite and Nosean chemical formula.
- Chemical formula of Austinite- CaZn(AsO4)(OH)
- Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Austinite and Nosean Specific Gravity
Another important criteria for qualitative analysis of gemstones is Austinite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.