Chrome Tourmaline and Austinite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Easily soluble in cold dilute HCl
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
4.12
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Uneven, Brittle, Uneven
Cleavage
3,2
Good in two directions parallel to the prism faces {110}
Mohs Hardness
7-7.5
4-4.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
CaZn(AsO4)(OH)
Chrome Tourmaline and Austinite Chemical Formula
While comparing Chrome Tourmaline 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 Chrome Tourmaline and Austinite chemical formula.
- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
- Chemical formula of Austinite- CaZn(AsO4)(OH)
Chrome Tourmaline and Austinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Austinite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 4.12 whereas that of Austinite is 4.12.