Ruby. Coloured scanning electron micrograph (SEM) of artificially grown layers of ruby crystals. Ruby, a gemstone and a precious stone, is the red var

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Ruby. Coloured scanning electron micrograph (SEM) of artificially grown layers of ruby crystals. Ruby, a gemstone and a precious stone, is the red variety of the mineral corundum (aluminium oxide). Magnification: x2762 when printed 10 centimetres high.

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Size: 3872px × 5421px
Photo credit: © STEFAN DILLER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aluminium, artificial, artificially, artificially-grown, blue, coloured, corundum, crystal, crystalline, crystals, earth, false-coloured, gem, gemmology, gemology, gemstone, geological, geology, grown, mineral, mineralogy, oxide, precious, red, ruby, science, sem, stone