Hawkstone Mining Limited operates as a mineral exploration and development company in the United States. The company explores for lithium deposits. Its flagship property is the Big Sandy project, which covers an area of 25.2 square kilometers located in Arizona. The company was formerly known as ZYL Limited and changed its name to Hawkstone Mining Limited in March 2017. Hawkstone Mining Limited was incorporated in 1969 and is based in West Perth, Australia.