min .50ct mm varies oval alexandrite. alexandrite was discovered in 1830 in the emerald mines of the southern ural mtns. and is named for russian tsar alexander ii. it's a rare stone that needs two stones to come together one contributing aluminumber
1.05ct min mm varies oval brazilian alexandrite istrong color change. alexandrite was discovered in 1830 in the emerald mines of the southern ural mtns. it is named for the russian tsar alexander ii. it's a rare stone that needs two kinds of stones t