Mineral Information and Data:

Boussingaultite
(NH4)2Mg(SO4)2 • 6H2O [CNMNC approved formula]

Named for Jean-Baptiste Joseph Dieudonne Boussingault (1802-1887), French chemist, Lyon University, Lyon, France.

IMA status : Valid species (Pre-IMA 1864) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
29.03.07.02  
  (29) Hydrated Acid and Sulfates
  (29.03) where (A+)2 B (XO4)2 · x(H2O)
  (29.03.07) Mohrite Group (Ammonia bearing)
  
Nickel-Strunz
(10th edition) :
07.CC.60
  (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: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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