various raw minerals with names on white

amphibolite background basalt biotite collage collection coquina crystal description diorite dolomite dunite flint gabbro geological glassbasalt glaucophane granite isolated kimberlite limestone listvenite listwanite mica mineral molybdenite name natural nepheline ore orthoclase pebble pumice quartz quartzite raw rock sample sandstone schist set shale siltstone specimen stone syenite travertine tufa various white