2008-11-18 06:09 Stone 940×415× (1523668 bytes) {{Information |Description= World Niobium Production in 2006 based on the Comodity Report of the United States Geological Survey 2006 [http://minerals.usgs.gov/minerals/pubs/commodity/niobium/colummcs07.pdf] |Source=derived from BlankMap-World6,_compact.s