in what mineral group is gneiss
The minerals that make up Gneiss are almost always: feldspars, quartz, and mica. Sometimes: kyanite, garnet, hornblende, tourmaline, magnetite, and many others. Source: Geology University Student. The minerals that make up Gneiss are almost always: feldspars, quartz, and mica. Sometimes: kyanite, garnet, hornblende, tourmaline, magnetite, and many others.Source: Geology University Student. Go