ʻO ka ʻokikene hao, i ʻike ʻia hoʻi ʻo ka ʻokikene ferric, ka limonite puhi ʻia, ka ʻokana puhi ʻia, ka ʻulaʻula hao, ka ʻulaʻula hao, ka pauka ʻulaʻula, ka ʻulaʻula Venetian (ʻo ka ʻokikene hao ka mea nui), a pēlā aku. ʻO ke ʻano kemika ʻo Fe2O3, hiki ke hoʻoheheʻe ʻia i ka waikawa hydrochloric, he pauka ʻulaʻula-ʻeleʻele. ʻO kona pauka ʻulaʻula-ʻeleʻele he pigment haʻahaʻa, i kapa ʻia ʻo ka ʻokikene hao ʻulaʻula i ka ʻoihana. Hoʻohana ʻia ia i ka pena, ka ʻīnika, ka laholio a me nā ʻoihana ʻē aʻe ma ke ʻano he mea hoʻoulu, mea hoʻopili no ke aniani, ka pōhaku makamae a me ka metala, a hiki ke hoʻohana ʻia ma ke ʻano he mea maka no ka hana hao.