The feldspar is An 70 labradorite, a high calcic plagioclase; the aventurescence-causing inclusions have been identified as pure native copper. Microprobe analyses conducted on colorless, red, and ...

Dr. Pete J. Dunn and his colleagues from the U.S. National Museum of Natural History (Smithsonian Institution; Dunn, 1977) named “the mineral liddicoatite [the calcic lithiumtourmaline end member], in ...

Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea Laboratory of Physics and Chemistry of Earth Materials ...