1 Physical Properties
1.2 Tenacity
Not Available
Not Available
1.5 Solubility
Not Available
Not Available
1.7 Durability
Not Available
Not Available
1.9 Specific Gravity
1.15 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, Brittle, Conchoidal
1.16 Cleavage
Perfect on { 2 01} fair on {010}
Good on [110] and on [001]
1.17 Mohs Hardness
1.18 Chemical Composition
Cu2CO3(OH)2
[ ]Na2(Mg3Al2)Si8O22(OH)2