A single crystal grain measuring just tens of millionths of a meter – found in a borehole sample drilled in Central Siberia – had an unexpected chemical makeup. And a specialized X-ray technique confirmed the sample’s uniqueness, paving the way for its recognition as a new mineral: ognitite. https://newscenter.lbl.gov/2019/06/19/mineral-discovery-made-easier-with-xray-technique/