Read Edit View history 剛玉 gāngyù corundum Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 刚玉/ 剛玉 gāngyù corundum A mineral made of aluminum oxide that is extremely hard; transparent varieties are known as 红宝石 hóngbǎoshí or 蓝宝石 lánbǎoshí Edit Delete References Add reference same_as 刚玉/剛玉 → 刚石/剛石 Edit Delete same_as 刚石/剛石 → 刚玉/剛玉 Edit Delete
刚玉/ 剛玉 gāngyù corundum A mineral made of aluminum oxide that is extremely hard; transparent varieties are known as 红宝石 hóngbǎoshí or 蓝宝石 lánbǎoshí Edit Delete