Mineral Information and Data:

Minehillite
K2-3Ca28Zn5Al4Si40O112(OH)16 [CNMNC approved formula]

Named for the locality: Mine Hill at Franklin, Sussex County, New Jersey, USA.

IMA status : Approved Species 1984 ()
CLASSIFICATION 
Dana
(8th edition) :
73.02.02b.01  
  (73) Phyllosilicate Condensed Tetrahedral Sheets
  (73.02) with double and single layers
  (73.02.02b) Reyerite group (Minehillite Subgroup)
  
Nickel-Strunz
(10th edition) :
09.EE.75
  (09) Silicates
  (09.E) Phyllosilicates
  (09.EE) Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
  
Crystal system: Hexagonal System
Point group (H-M): Unknown — Unk
  
  
  

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