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Formula: Al2O3
Hardness: 9
Description: variation of corundum containing a small amount of chromium. Hexagonal crystal system with a vitreous to adamantine lustre.
Specimen number: R29293

Details

  • Title: Ruby in host rock
  • Type: Mineral
  • Rights: Geoscience Australia / CC-BY 4.0
  • Photographer: Chris Fitzgerald
  • Museum ID: R29293

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