1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Insoluble in acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {010}; poor on {100} and { 1 02}.
{110} good, 100 moderate, parting on {092} and {011}
1.7 Mohs Hardness
1.8 Chemical Composition
Co3(AsO4)2•8(H2O)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)