Even the exact same named gemstone can happen in many various colours: sapphires demonstrate distinctive shades of blue and pink and "extravagant sapphires" show a complete number of other colors from yellow to orange-pink, the latter known as "padparadscha sapphire".[forty] This compound is available for laboratory use and industrial application. https://caluaniemuelearoxidizetha83726.blog-mall.com/30411211/caluanie-muelear-oxidize-copyright-an-overview