A faceted sapphire gemstone, known as Oriental Amethyst' due to its purple colour, set in a ring. Close examination shows that the sapphire is actuall

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A faceted sapphire gemstone, known as Oriental Amethyst' due to its purple colour, set in a ring. Close examination shows that the sapphire is actually blue and red.

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Size: 5094px × 3430px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1, amethyst, corundum, cut, earth, facet, facetted, gem, gemmology, geological, geology, jewellery, jewelry, mineral, mineralogy, oriental, precious, purple, ring, sapphire, science, set, single, specimen