nordenskiöldine
/ˌnɔːdnˈʃəːldiːn/ /ˌnɔːdnskɪˈəːldiːn/(also nordenskioldine) Mineralogy
noun
A trigonal borate of calcium and tin, CaSnB2O6, which occurs as colourless or yellow crystals.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From Danish nordenskiöldin from the name of Baron Nils Adolf Erik Nordenskiöld, Swedish geologist and explorer + -in.