Jadarite

Jadarite is a white, earthy monoclinic silicate mineral, whose chemical formula is: LiNaSiB₃O₇(OH) or Na₂OLi₂O(SiO₂)₂(B₂O₃)₃H₂O.

It was discovered in November 2006, in drill core from the Jadar Valley (Serbian Cyrillic: Јадар, Jadar) in Serbia, from which it is named. It was confirmed as a new mineral after scientists at the Natural History Museum in London and the National Research Council of Canada conducted tests on it. Exploration geologists from Rio Tinto Exploration discovered the mineral as small rounded nodules in drill core, and after being unable to match it with previously known minerals enlisted the expertise of Chris Stanley, from the Natural History Museum, who later described it as being unique to mineralogy.