Mineral Information and Data:

Lonecreekite
NH4Fe3+(SO4)2 • 12H2O [CNMNC approved formula]

Named for the locality: Lone Creek Fall cave, near Sabie, eastern Transvaal, South Africa.

IMA status : Approved Species 1983 ()
CLASSIFICATION 
Dana
(8th edition) :
29.05.05.04  
  (29) Hydrated Acid and Sulfates
  (29.05) where A B (XO4)2 · x(H2O)
  (29.05.05) Alum Group
  
Nickel-Strunz
(10th edition) :
07.CC.20
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.C) Sulfates (selenates, etc.) without Additional Anions, with H2O
  (07.CC) With medium-sized and large cations
  
Crystal system: Cubic System
Point group (H-M): m3 (or 2/m 3) — diploidal
  
  
  
Other Properties: H2O Soluble.

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