Famaritana: Vato volkano fantatra amin'ny anarana hoe pumice na basalt porous, karazana fitaovana miasa sy tontolo iainana izy io.Ahitana mineraly sy microelements am-polony izy io, toy ny sodium, magnesium, aluminium, silisiôma, calcium, titane, manganese, vy, nikela, kobalta ary molybdène sy ny sisa.

Fampiasana: fanorenana, fiarovana ny rano, fitotoana, fitaovana sivana, barbecuecarbon, maritrano momba ny tany, fambolena tsy misy tany, vokatra haingon-trano ary saha hafa.

Loko: mena, mainty.fotsy
habe: 3-6mm,6-8mm,8-10mm,1-3cm,3-6cm,6-8cm,8-10cm,10-50cm azo customized.style: vato, poti, vovoka.