pyrite-bearing rocks. It may be associated with halotrichite, pickeringite, fibroferrite, botryogen, copiapite...of the Czech mineralogist František Slavik (1876–1957), professor at Charles University in Prague. Rost...Vrané, Štĕchovice, Jarov, Troja, and Mandát, all Bohemia, Czech Republik (Van Tassel 1972); Smolnik and...of the disordered, isolated sulfate anion, the central S2, oxygen atoms O9 and O11 were treated anisotropically...54 99.76 98.44 101.20 Notes: (1) Valachov, Czech Republic = Jirkovský and Ulrich 1926; (2) Luka pod Mednikem |