Mineral Information and Data:

Lannonite
HCa4Mg2Al4(SO4)8F9 • 32H2O [CNMNC approved formula]

Named after Dan Lannon, who staked important claims at the locality in the late 1800's.

IMA status : Approved Species 1983 ()
CLASSIFICATION 
Dana
(8th edition) :
31.09.14.01  
  (31) Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.09) where (A+ B++) (XO4) Zq · x(H2O)
  (31.09.14)
  
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:  
Point group (H-M):
  
  
  

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