alumstone التعريفات والمعاني == English == === Etymology === From alum + stone. === Noun === alumstone (usually uncountable, plural alumstones) (mineralogy) alunite شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة alumstones alum stone alum stones alumeton algestone alusiones Alstonefield alstonerine aufstonen