Mineral Information and Data:

Jachymovite  
(UO2)8(SO4)(OH)14 • 13H2O [CNMNC approved formula]

Named after the locality: Jachymov (St. Joachimsthal), Krusne Hory, Zapadocesky kraj, Cechy (Bohemia), Czech Republic.

IMA status : Approved Species 1997 ()
CLASSIFICATION 
Dana
(8th edition) :
31.02.06.02  (This Dana# Added)
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.02) where (A+ B++)6 (XO4) Zq · x(H2O)
  (31.02.06)
  
Nickel-Strunz
(10th edition) :
07.EA.10
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.E) Uranyl Sulfates
  (07.EA) Without cations
  
Crystal system:  
Point group (H-M):
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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