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
3.25-4.104.76-5.03
1
7.18
1.15 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, Brittle
1.18 Cleavage
Perfect on { 2 01} fair on {010}
None
1.20 Mohs Hardness
1.27 Chemical Composition
Cu2CO3(OH)2
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)