1 Physical Properties
1.2 Tenacity
1.5 Solubility
Not Available
Gelatinises in acids
1.6 Durability
Not Available
Not Available
1.7 Specific Gravity
1.8 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Uneven, Conchoidal, Brittle
1.9 Cleavage
Perfect on { 2 01} fair on {010}
Distinct on {110}
1.10 Mohs Hardness
1.11 Chemical Composition
Cu2CO3(OH)2
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2