A team of petrologists and crystallographers from Canada and Japan have discovered maruyamaite, the first tourmaline species that is both diamond-bearing and potassium dominant. Maruyamaite was found in northern Kazakhstan and is named in honor of Shigenori Maruyama, professor in the Earth-Life Science Institute at the Tokyo Institute of Technology. Maruyama led the project which unraveled … Continue reading New diamond-bearing tourmaline species