Quartzite (Silicified Sandstone) September 5, 2014 A hard, light colored rock with a flinty sheen; it is a metamorphosed sandstone. See also orthoquartzite. ← Quarry Site
A hard, light colored rock with a flinty sheen; it is a metamorphosed sandstone. See also orthoquartzite.
A hard, light colored rock with a flinty sheen; it is a metamorphosed sandstone. See also orthoquartzite.