Formula: Al2O3
Hardness: 9
Description: The mineral name of ruby and sapphire. Hexagonal crystal systems with vitreous to adamantine lustre.
Specimen number: R28507


  • Title: Corundum
  • Type: Mineral
  • Rights: Geoscience Australia / CC-BY 4.0
  • Photographer: Chris Fitzgerald
  • Museum ID: R28507

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