Malachite

 
Sample ID:
PK10300
Origin:
Natural mineral; Provenance: Congo
Chemical Information:
Copper hydroxide carbonate / Cu2(CO3)(OH)2
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 30, PB30
Material Class:
Mineral pigments
Acquisition Conditions:
Excitation source: 785 nm
Laser spot size: 170 µm
Resolution: 7 cm-1
Laser power: 11 mW
Acquisition time: 7500 ms