1. He rite te lithology o travertine, he ngohengohe te kakano, he tino ngawari ki te maina me te tukatuka, he maamaa te kiato, he ngawari ki te kawe. He momo kohatu hanga whare me te maha o nga whakamahinga.
2. Travertinehe pai te tukatuka, te tangi oro me te wera wera, ka taea te whakamahi mo te tukatuka hohonu.
3. Travertinehe kakano pai, he pai te urutau ki te tukatuka, he iti te pakeke. He pai mo nga taonga whakairo me nga taonga ahua motuhake.
4. Travertinehe taonga te tae, he ahurei te kakano, he hanganga poka motuhake, he pai te mahi whakapaipai.