While Russia is the most famous alexandrite source, this stone from Brazil shows beautiful color change from daylight (left) to incandescent light (right). - © GIA ...

and now most alexandrite comes from Sri Lanka, East Africa, and Brazil. The newer deposits contain some fine-quality stones, but many display less-precise color change and muddier hues than the ...

TASS/. Natural stones from Russia’s regions that are connected with the history of Soviet-era repression in the 20th century were handed over to sculptor and author of the memorial dubbed "The ...