Colorant Sources PDH 2/17/12
"Cobalt" Types Cobalt Carbon Oxygen Total
# Atoms Atomic Mass # Atoms Atomic Mass # Atoms Atomic Mass Atomic Mass Cobalt Relative Strength
Green Cobalt Oxide CoO 1 58.93 1 16 74.93 79% 1.00 1.11 1.07 1.59
Back Cobalt Oxide Co2O3 2 58.93 3 16 165.86 71% 0.90 1.00 0.97 1.43
Blue Cobalt Oxide Co3O4 3 58.93 4 16 240.79 73% 0.93 1.03 1.00 1.48
Cobalt Carbonate CoCO3 1 58.93 1 12 3 16 118.93 50% 0.63 0.70 0.67 1.00
"Copper" Sources Copper Carbon Oxygen Total
# Atoms Atomic Mass # Atoms Atomic Mass  # Atoms Atomic Mass Atomic Mass Copper Relative Strength
Black Copper Oxide CuO Cupic Oxide 1 63.55 1 16 79.55 80% 1.00 0.90 1.55
Red Copper Oxide Cu2O Cuprous Oxide 2 63.55 1 16 143.1 89% 1.11 1.00 1.73
Copper Carbonate CuCO3 Cupric Carbonate 1 63.55 1 12 3 16 123.55 51% 0.64 0.58 1.00
"Iron" Sources Iron Oxygen Total
# Atoms Atomic Mass  # Atoms Atomic Mass Atomic Mass Iron Relative Strength
Black Iron Oxide FeO Ferrous Oxide 1 55.84 1 16 71.84 78% 1.00 1.11 1.07
Red Iron Oxide Fe2O3 Ferric Oxide 2 55.84 3 16 159.68 70% 0.90 1.00 0.97
 (Magnetite) Fe3O4 Ferrous-ferric Oxide 3 55.84 4 16 231.52 72% 0.93 1.03 1.00
"Nickel" Sources Nickel Carbon Oxygen Total
# Atoms Atomic Mass # Atoms Atomic Mass  # Atoms Atomic Mass Atomic Mass Nickel Relative Strength
Black Nickel Oxide Ni2O3 2 58.69 3 16 165.38 71% 1.00 0.90 1.44
Green Nickel Oxide NiO
Bunsenite, very rare
 1 58.69 1 16 74.69 79% 1.11 1.00 1.59
Green Nickel Carbonate NiCO3 1 58.69 1 12 3 16 118.69 49% 0.70 0.63 1.00