Mwala wophulika (womwe umadziwika kuti pumice kapena porous basalt) ndi chinthu chothandiza komanso chogwirizana ndi chilengedwe, chomwe ndi mwala wamtengo wapatali wopangidwa ndi magalasi ophulika, mchere, ndi thovu pambuyo pa kuphulika kwa chiphalaphala.Mwala wophulika uli ndi mchere wambiri komanso kufufuza zinthu monga sodium, magnesium, aluminium, silicon, calcium, titaniyamu, manganese, chitsulo, nickel, cobalt, ndi molybdenum.Ndiwopanda kuwala ndipo ili ndi mafunde akutali a infrared magnetic.Pambuyo pa kuphulika kwa chiphalaphala chopanda chifundo, pambuyo pa zaka masauzande ambiri, Anthu akupeza phindu lake.Tsopano yakulitsa minda yake yogwiritsira ntchito ku minda monga zomangamanga, zosungira madzi, kugaya, zosefera, makala amoto, kukongoletsa malo, kulima popanda dothi, ndi zinthu zokongoletsera, zomwe zimagwira ntchito yosasinthika m'mafakitale osiyanasiyana.

Basalt ndi mtundu wa mwala woyambira wa Volcanic, womwe ndi mtundu wa mwala wophatikizika kapena wopangidwa ndi thovu wopangidwa ndi magma ochokera kuphiri lophulika pambuyo pozizira pamwamba.Ndi ya magmatic thanthwe.Mapangidwe ake amiyala nthawi zambiri amawonetsa stomatal, almond ngati, ndi porphyritic, nthawi zina amakhala ndi miyala yayikulu yamchere.Basalt yopanda nyengo imakhala yakuda ndi imvi, komanso palinso yakuda, yofiirira, ndi yobiriwira yotuwa.

Basalt ya porous (pumice), chifukwa cha kulimba kwake komanso kuuma kwake, imatha kusakanikirana ndi konkire kuti ichepetse kulemera kwake, komabe imakhala yamphamvu ndipo imakhala ndi makhalidwe monga kutsekemera kwa mawu ndi kutentha.Ndiwophatikiza bwino konkriti yopepuka m'nyumba zazitali.Pumice akadali chinthu chabwino chopera, chomwe chingagwiritsidwe ntchito pogaya zitsulo ndi miyala;M'makampani, itha kugwiritsidwanso ntchito ngati zosefera, zowumitsa, zowumitsa, etc.Professional matailosi amwala ophulika a chiphalaphala ndi miyala ya basalt yogulitsa.