quartziteEnglishOxford New American Dictionaryquartzite /ˈkwôrtsīt, ˈkwɔrtsaɪt / ▸ noun Geology an extremely compact, hard, granular rock consisting essentially of quartz. It often occurs as silicified sandstone, as in sarsen stones.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary