| labuntsovite, searlesite, northupite, loughlinite, barytocalcite, witherite, pyrite, quartz (Westvaco trona mine...Wyoming; and at Iron Hill, Gunnison Co., Colorado. In Canada, on the Rough claims, north of Sifton Pass, British...Columbia; at the Chipman Lake carbonatite, 350 km northeast of Thunder Bay, Ontario; and in the Jason...Territory. From the Tapira carbonatite, Minas Gerais, Brazil. At the Vuoriyarvi carbonatite complex, Kola Peninsula...magmatic norsethites, BaMg(CO3 )2 , from an Mg-carbonatite of the alkaline carbonatitic complex of Tapira |
