Astro Resources NL explores for and develops mineral resources properties. It primarily explores for mineral sands, diamond, and gold deposits. The company operates through three segments: Heavy Minerals, Diamond Exploration, and Gold Exploration. It holds an interests in the Governor Broome mineral sands project located in the south-west region of Western Australia; and East Kimberley diamond project located in the northeast region of Western Australia. Astro Resources NL is based in Sydney, Australia.