Whakaahuatanga: Ko te kōhatu puia e mōhiotia whānuitia ana ko te kōhatu pumice, te kōhatu basalt, te kōhatu rangitoto rānei, he momo rauemi whai hua, ā, he mea taiao hoki. He maha ngā kohuke me ngā huānga iti kei roto, pērā i te konutai, te konupora, te konumohe, te silicon, te konupūmā, te titanium, te manganese, te rino, te nickel, te cobalt me ​​te molybdenum me ētahi atu. He whānuitia te whakamahinga mō te māra, te papa, te pakitara, te whakato, me te ahumahi acqurium.

Kohatu puia Rahi: 3-6mm, 6-8mm, 8-10mm, 1-3cm, 3-6cm, 6-8cm, 8-10cm, 10-50cm ka taea te whakarite.
Puiakōhatutae: whero, pango.
PuiakōhatuKāhua: puranga, matūriki, paura, rau