Description and crystal structure of turtmannite, a new mineral with a 68 Å period related to mcgovernite by Joël Brugger, Thomas Armbruster, Nicolas Meisser, Clivia Hejny, and Bernard Grobety (v. 86, pages 1494 – 1505, 2001).
Table 3 was missing a line between Atom T18 and O2. That line is:
Table 9 had the wrong space group for lines 1 to 3. The space group should be R3̅c.