Tlhaloso: Lejoe la seretse se chesang le tsejoang ka hore ke pumice kapa porous basalt, ke mofuta oa thepa e sebetsang le ea tikoloho.E na le liminerale tse ngata le li-microelements, tse kang sodium, magnesium, aluminium, silicon, calcium, titanium, manganese, tšepe, nickel, cobalt le molybdenum joalo-joalo.

Tšebeliso: ho haha, ho boloka metsi, ho sila, lisebelisoa tsa sefa, barbecuecarbon, meralo ea naha, temo e se nang mobu, lihlahisoa tsa mekhabiso le masimo a mang.

Mmala: kgubedu, botsho.bosweu
boholo: 3-6mm, 6-8mm, 8-10mm, 1-3cm, 3-6cm, 6-8cm, 8-10cm, 10-50cm ka customized.style: lejoe, phatsa, phofo.