(Steinbruch Diethensdorf, Markersdorf, Chemnitz, Sachsen, Deutschland)
A pegmatite in the Saxonian granulite massif.
Rich mineralization with Nb/Ti phases: W/Sc-rich ferrocolumbite, niobian rutile, rutile and pseudorutile.
Refs.:
- Am. Mineral. 88: 986-995
- http://www.uni-wuerzburg.de/mineralogie/schuessler/Pegmatit.pdf