Sharaxaad: Dhagaxa foolkaanaha oo loo yaqaan pumice ama basalt daloolsan, waa nooc ka mid ah walxaha shaqeynaya iyo kuwa deegaanka. Waxa uu ka kooban yahay daraasiin macdan iyo walxo yaryar ah, sida sodium, magnesium, aluminium, silicon, calcium, titanium, manganese, bir, nikkel, cobalt iyo molybdenum iwm.

Isticmaalka: dhismaha, ilaalinta biyaha, shiididda, walxaha shaandhaynta, kaarboonka dubista, qaab dhismeedka muuqaalka, beerista aan ciidda lahayn, alaabada qurxinta iyo beeraha kale.

Midab: casaan, madow. caddaan
cabbirka: 3-6mm, 6-8mm, 8-10mm, 1-3cm, 3-6cm, 6-8cm, 8-10cm, 10-50cm waa la habeyn karaa. Qaab: dhagax, walxo, budo.