1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.354.43-4.46
1
7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect in three directions
Not Available
1.7 Mohs Hardness
1.8 Chemical Composition
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references