1 Physical Properties
2.2 Tenacity
Not Available
Not Available
2.4 Solubility
Not Available
Not Available
2.6 Durability
Not Available
Not Available
2.7 Specific Gravity
3.25-4.103.65-4.55
1
7.18
2.13 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
ConchoidalArthur Thomas, Gemstones (2009)
2.14 Cleavage
Perfect on { 2 01} fair on {010}
None, but may exhibit slight parting
2.15 Mohs Hardness
2.19 Chemical Composition
Cu2CO3(OH)2
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)