Avalon Advanced Materials Inc., together with its subsidiaries, engages in the acquisition, exploration, evaluation, and development of specialty and critical minerals properties in Canada. The company primarily explores for lithium, tantalum, cesium, indium, gallium, germanium, tin, yttrium, and zirconium deposits, as well as rare earth elements. Its flagship project is the 100% owned Separation Rapids Lithium Project consisting of nineteen mineral claims and one mining lease covering an area of approximately 4,414 hectares located in the Paterson Lake Area, Kenora Mining Division, Ontario. The company was formerly known as Avalon Rare Metals Inc. and changed its name to Avalon Advanced Materials Inc. in February 2016. Avalon Advanced Materials Inc. was incorporated in 1991 and is headquartered in Toronto, Canada.