Apophyllite on Inesite and sulphides.
Formula: Variable. (K, Na)Ca4Si8O20(F, OH).8(H2O)
Hardness: 4.5-5
Description: A silicate mineral with a tetragonal crystal system and a vitreous to greasy lustre.
Specimen number: R29696


  • Title: Apophyllite under UV light
  • Location: Broken Hill, New South Wales, Australia
  • Physical Dimensions: 14 x 12cm
  • Type: Mineral
  • Rights: Geoscience Australia / CC-BY 4.0
  • Photographer: Chris Fitzgerald
  • Museum ID: R29696

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