Fall Mtg & Exh Soc Min Eng AIME October 19-21, 1977, St. Louis Missouri. SME Preprint 77-H-364 :1-14
The Bureau of Mines, under its program for advancing minerals technology, initiated a project to study techniques for the concentration of topaz from disseminated materials. The objective of this study was to determine those techniques that would be used to produce topaz concentrates that could be used as a source of fluorine and mullite.
Fall Mtg. & Exh., Soc. Min. Eng., AIME, St. Louis, Missouri, 10/19-21/77, SME Preprint 77-H-364