The kanji 石: readings, parts and words

岩いわ rock/boulder/cliff 研とぐ research / polish 確たしかめる certain / confirm 破やぶる break / destroy 砂すな sand 磁ジ magnet / porcelain 砲ホウ cannon, gun, artillery 拓ひらく clear (the land); open 礎いしずえ cornerstone, foundation 硬かたい stiff; hard 碑いしぶみ tombstone; monument