Obsidian Black

 
Sample ID:
PK11674
Origin:
Natural glass; Provenance: Mexico
Chemical Information:
Mineral black volcanic glass
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
-
Material Class:
Unclassified materials
Acquisition Conditions:
Attenuated Total Reflectance (ATR) mode
Resolution: 4 cm-1
Scans: 128
Range: 4000-380 cm-1