0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Red corundum fluorescence in ultraviolet rays. Russian Флуоресценция красного корунда в...
DescriptionCorundum-257239.jpg English: Corundum (Var.: Ruby) Locality: Mysore District, Karnataka, India (Locality at mindat.org) Size: 10.8 x 4.7 x...
DescriptionCorundum-Muscovite-63975.jpg English: Corundum (Var.: Ruby), Muscovite (Var.: Fuchsite) Locality: Eswatini (Locality at mindat.org) Lustrous...
at URL: https://www.flickr.com/photos/jsjgeology/53662484304/ operator: Flickr URL: https://live.staticflickr.com/65535/53662484304_3392887c40_o.jpg...
(manmade) fluorescing 2.jpg English: Ruby is a red, gem-quality variety of corundum, which is aluminum oxide (Al2O3). Ruby and corundum have a nonmetallic...
fluorescence analysis of the surface of the ring indicated a gold content of 80-83%, a silver content of 8-10%, the remainder being copper. The red stone...
fluorescence analysis of the surface of the ring indicated a gold content of 80-83%, a silver content of 8-10%, the remainder being copper. The red stone...
fluorescence analysis of the surface of the ring indicated a gold content of 80-83%, a silver content of 8-10%, the remainder being copper. The red stone...
fluorescence analysis of the surface of the ring indicated a gold content of 80-83%, a silver content of 8-10%, the remainder being copper. The red stone...
colourless stone was identified by Raman spectroscopy as corundum (sapphire) and the two red cabochon stones are almandine garnets. The ring weighs 8...
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