Niedermayrite
Cu4Cd(SO4)2(OH)6 • 4H2O [CNMNC approved formula]
Named after Gerhard Niedermayr (b. 1941), mineralogist and geologist, Naturhistorisches Museum, Vienna, Austria, compiler of the regional mineralogy of the eastern Alps.
IMA status : | Approved Species 1998 () |
CLASSIFICATION | |
Dana (8th edition) : |
31.06.06.02 (This Dana# Added) |
(31) Hydrated Sulfates Containing Hydroxyl or Halogen | |
(31.06) where (A+ B++)5 (XO4)2 Zq · x(H2O) | |
(31.06.06) | |
Nickel-Strunz (10th edition) : |
07.DD.30 |
(07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates) | |
(07.D) Sulfates (selenates, etc.) with additional anions, with H2O | |
(07.DD) With only medium-sized cations; sheets of edge-sharing octahedra | |
Crystal system: | Monoclinic System |
Point group (H-M): | 2/m — prismatic |