Vlodavetsite
Ca2Al(SO4)2F2Cl • 4H2O [CNMNC approved formula]
Named for V. I. Vlodavets (1893-1993), Russian volcanologist.
IMA status : | Approved Species 1993 () |
CLASSIFICATION | |
Dana (8th edition) : |
31.08.05.01 (This Dana# Added) |
(31) Hydrated Sulfates Containing Hydroxyl or Halogen | |
(31.08) where (A+ B++)3 (XO4)2 Zq · x(H2O) | |
(31.08.05) | |
Nickel-Strunz (10th edition) : |
07.DF.40 |
(07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates) | |
(07.D) Sulfates (selenates, etc.) with additional anions, with H2O | |
(07.DF) With large and medium-sized cations | |
Crystal system: | Tetragonal System |
Point group (H-M): | 4/m — dipyramidal |