Critica Ltd. engages in the exploration of mineral properties. The company is headquartered in Perth, Western Australia. The company went IPO on 2006-09-22. The principal activity of the Company is mineral exploration and development of the Jupiter Rare Earths Project in Western Australia. Its Brothers Clay-Hosted Rare Earth Project (Brothers) is a large strategic landholding totaling approximately 1,356 square kilometers (km2) of granted tenure, with an additional 435 km2 of licenses under application, all situated on pastoral leases in Western Australia. The Jupiter Project is a high-grade, clay-hosted rare earths deposit located within the broader Brothers landholding. Jupiter is strategically located within the Mt Magnet and Yalgoo mining district. In addition to its primary project, Jupiter and the Brothers Project, it holds exploration licenses in several regions, and those projects include Kulin, Mount Lindsay, and the Livingstone DSO Hematite.