pūtau kōhatu ataahua
Ko ngā rerekē hoki mā te pōuri he rautaki whakapaipai hou e hono ana i ngā āhuatanga a-taiao me te hangarau mā te ata. Ko ēnei kōhatu māorihia he tino ītī ki ngā paraihe photoluminescent e huinga ana i te āta rānui i te rā, ā, ka rama rātou i te pō. E wātea ana ēnei kōhatu i ngā rahi me ngā tae rerekē, nō reira he pai mō ngā whakamahinga o roto me waho o te whare. Hangaia ana ngā kōhatu ki ngā matū tikangia, ā, ka whai mātai maroke kia kaua ai te rama i te roa. Kua huaina katoa ngā kōhatu ki ngā tikanga phosphorescent e kore e kino mō te taiao, e kore hoki e pakaru e te rerehua, ā, e kaha ana kia mau te rama ake ake ia 12 haora i muri i te tūpono ki te āta. He mea pai ēnei kōhatu mō ngā ara mā te māra, ngā puna koiro, ngā kaupapa whenua, me ngā mahi toi. Ka tino haumaru ngā kōhatu mō te whakamahi tata ki ngā tamariki me ngā kararehe, nō reira he pai mō ngā taiao whānau. Ko te kaha o ratou e āwhina ana kia taea ai te tino pakanga i ngā huringa āhuarangi, ā, ka mau tonu te rama. Ko te whakaputanga moni he mea tāpiri e ekonomik ana mō ngā kaupapa nui, pērā i te whakapaipai whenua mō ngā kamupene, i te whakapaipai noho rānei.