Rare Museum Quality Natural Perfectly Terminated Chrysoberyl On Matrix From Tsitondroina Ikalamakony MadagascarThis outstanding rare museum quality natural perfectly terminated chrysoberyl on matrix is from Tsitondroina Ikalamakony in Madagascar This piece is mounted and the stand included Weight 0. 300kg Size 6cm x 8cm Thickness 5cm Chrysoberyl is a rare, hard and durable gemstone composed of Beryllium Aluminum Oxide. Chrysoberyl carries energies of discipline and self control. Its also known to boost your concentration and your ability to learn new things.