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Ettringite Group from
Graulay (Graulai; Graulei; Grauley), Hillesheim, Vulkaneifel, Rhineland-Palatinate, Germany

Classification
Species:'Ettringite Group' (not an IMA approved species)
Comments:Ettringite, Thaumasite and Hielscherite. are visually indistinguishable and without analysis such specimens should be posted as Ettringite group
Habit:Hexagonal prisms
Colour:Colourless
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
References
References:Ko 's photo of Cor Kokke specimen
Data
Mineral Data:Click here to view Ettringite Group data
Locality Data:Click here to view Graulay (Graulai; Graulei; Grauley), Hillesheim, Vulkaneifel, Rhineland-Palatinate, Germany
 
Mineral and/or Locality  
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