German Brown Ochre (light)

 
Sample ID:
PK40231
Origin:
Mineral; Provenance: Germany
Chemical Information:
Natural brown earth from Germany; contains manganese oxides / Fe2O3 + Al2O3 + Mn2O3 + SiO4 + CaCO3
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Yellow 43, PY43, Ochre
Material Class:
Earth pigments
Acquisition Conditions:
Excitation source: 785 nm
Laser spot size: 170 µm
Resolution: 7 cm-1
Laser power: 11 mW
Acquisition time: 5000 ms