Brown-Red Slate

 
Sample ID:
PK11360
Origin:
Natural mineral; Provenance: Lech Valley, Austria
Chemical Information:
Mica-like, hard slate, colored brownish-red by iron and manganese.
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
-
Material Class:
Mineral pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere