Ama-cenospheres, angama-spheres alula, angenalutho akhiwe ngokuyinhloko nge-silica ne-alumina, ngokuvamile awanama-grade ajwayelekile emhlabeni wonke njengezinye izinto. Kodwa-ke, izakhiwo zawo zingahluka ngokuya ngomthombo wazo kanye nezindlela zokucubungula.
Kubalulekile ukuqaphela ukuthi uhlelo lokubeka amagredi lwe-cenospheres lungahluka phakathi kwabakhiqizi noma abaphakeli. Ngakho-ke, kungcono ukubhekisela ezinhlotsheni ezithile zomkhiqizo noma ukubonisana nathi ukuze uqonde ikhwalithi nezici ze-cenospheres ezinikezwayo.