IMA formula: Cu2Mg2(PO4)2(OH)2·5H2O
Crystallography: Monoclinic. C2/c. a = 22.523(5) Å, b = 5.015(2) Å, c = 10.506(3) Å, β = 99.62(2)°. Z = 4.
Nissonite
IMA formula: Cu2Mg2(PO4)2(OH)2·5H2O
Crystallography: Monoclinic. C2/c. a = 22.523(5) Å, b = 5.015(2) Å, c = 10.506(3) Å, β = 99.62(2)°. Z = 4.
Copper World 