An international team of geologists led by Monash University Professor Joël Brugger has discovered a new thallium mineral — nataliyamalikite. Nataliyamalikite (TlI) grains on the mineral mascagnite (NH4)2SO4. Image credit: Okrugin et al, doi: 10.2138/am-2017-6057. Nataliyamalikite is the orthorhombic form of thallium iodide (TlI). “It contains thallium, a rare heavy metal most famous for its qualities as a poison,” said Prof. Brugger, lead...
