Obsidian (large piece)

 
Sample ID:
MVEZ003
Origin:
Volcanic; Provenance: Mt Vesuvius, Campania, Italy
Chemical Information:
Mineral black volcanic glass
Sample Type:
Reference material
Description:
Bulk sample
History of use:
Since antiquity
Sample Source:
Vesuvius National Park
Alternative names:
-
Material Class:
Unclassified materials
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere