Mineral Information and Data:

Goslarite
ZnSO4 • 7H2O [CNMNC approved formula]

Named after its locality: Rammelsberg mine, near Goslar, Harz, Germany.

IMA status : Valid species (Pre-IMA 1847) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
29.06.11.02  
  (29) Hydrated Acid and Sulfates
  (29.06) where A XO4 · x(H2O)
  (29.06.11) Epsomite Group
  
Nickel-Strunz
(10th edition) :
07.CB.40
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.C) Sulfates (selenates, etc.) without Additional Anions, with H2O
  (07.CB) With only medium-sized cations
  
Crystal system: Orthorhombic System
Point group (H-M): 222 — disphenoidal
  
  
  
Other Properties: H2O Soluble.

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