Whakaahuatanga Nikara:
He nui te ātete o te nikara, he pai te ārai-waikura, he tino pumau te matū, ā, he pai te ātete ki te waikura i roto i ngā momo rauemi. He pai te ātete o te nikara i te korenga o te hāora rewa i roto i ngā āhuatanga waimeha kāore i te waikura, inā koa i roto i ngā otinga kūpapa me te kawakore. Nā te mea he kaha te nikara ki te memeha, ka hanga he kiriata tiaki matotoru i runga i te mata, e ārai ana i te nikara mai i te waikura anō.
Ngā mara tono matua:
Te hangarau matū me te hangarau matū, ngā wāhanga ārai-waikura mākū o te whakaputa hiko, ngā rauemi whakamahana hiko, te ātete, ngā oumu ahumahi, ngā taputapu whakahaere parahanga, me ētahi atu.
Ngā Mōhiohio Taketake.
| tauranga | Shanghai, Haina |
| Kiato (g/cm3) | 8.89 karamu/cm3 |
| parakore | >99.6% |
| mata | Kanapa |
| pūwāhi rewa | 1455°C |
| rauemi | nikara parakore |
| ātete (μΩ.cm) | 8.5 |
| riri | ngawari, pakeketanga haurua, pakeketanga katoa |
150 0000 2421