What this code covers
Minerals, Natural and Synthetic
Includes
Clays and other Earths; Mica; Asbestos; Crude Petroleum; Graphite.
Excludes
Gravel (FSC 5610); Sand (FSC 5610); Abrasives (FSC 5350); Refractory Clays (FSC 9350).
Notes
Only bulk material will be identified in this class. Minerals are naturally occurring substances with a characteristic chemical composition that can be expressed by a formula.