Mineral Information and Data:

Loweite
Na12Mg7(SO4)13 • 15H2O [CNMNC approved formula]

Named Alexander Lowe (1808-1895), Austrian chemist, Chief Assayer at the Mint, Vienna, Austria.

IMA status : Valid species (Pre-IMA 1847) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
29.04.03.01  
  (29) Hydrated Acid and Sulfates
  (29.04) where (A+)2 Bn (XO4)p · x(H2O)
  (29.04.03)
  
Nickel-Strunz
(10th edition) :
07.CC.45
  (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: Trigonal System
Point group (H-M): 3 — rhombohedral
  
  
  
Other Properties: H2O Soluble.

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