Ruby crystals / Ruby crystals in matrix / Waterworn fragments of ruby and sapphire. Only diamond is harder than ruby. 2014

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: /, 2014, archival, archive, crystals, diamond, fragments, geology, harder, historical, history, jewelry, matrix, minerals, precios, ruby, ruby., saphire, sapphire., semi-precios, stones, waterworn