1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
{100} Perfect, {010} Perfect, {001} Perfect
perfect along [010] and [100]
1.7 Mohs Hardness
1.8 Chemical Composition
NaFUlrich Henn and Claudio C.
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references