Mineral Information and Data:

Luetheite
Cu2Al2(AsO4)2(OH)4 • H2O [CNMNC approved formula]

Named for Ronald D. Luethe (1944- ), geologist for Phelps Dodge Corporation, Douglas, Arizona, USA, who found the first material.

IMA status : Approved Species 1977 ()
CLASSIFICATION 
Dana
(8th edition) :
42.07.10.02  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.07) where (AB)5 (XO4)3 Zq · x(H2O)
  (42.07.10) Chenevixite Group
  
Nickel-Strunz
(10th edition) :
08.DD.05
  (08) Phosphates, Arsenates, Vanadates
  (08.D) Phosphates, etc
  (08.DD) With only medium-sized cations, (OH, etc.):RO4= 2:1
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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