Barytes is under pressure: supplies for drilling grade are running low, exploration is not keeping up, thus sparking ad debate whether to switch to a lower density, more readily available grade. Meanwhile, filler grade seems to be fairing better than chemical grade, which is recovering form a 2003/4 slump.
Origin
Unknown
Journal Title
Industrial Minerals March 2008 32-33, 35-37
Sector
General
Class
G 3459