1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.5 Solubility
Not Available
Not Available
1.10 Durability
Not Available
Not Available
1.12 Specific Gravity
3.25-4.102.55-2.65
1
7.18
1.20 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.21 Cleavage
Perfect on { 2 01} fair on {010}
Perfect {10 1 0}
1.22 Mohs Hardness
1.23 Chemical Composition
Cu2CO3(OH)2
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)