Tradition & systems
Birthstones by month
Traditional and modern birthstone lists are distinct systems with their own histories and sources.
JanuaryGarnetFebruaryAmethystMarchAquamarineAprilDiamondMayEmeraldJuneMoonstoneJulyRubyAugustPeridotSeptemberSapphireOctoberTourmalineNovemberTopazDecemberTurquoise
This navigation is a starter modern list. Dedicated month pages will document alternative systems and their historical sources before indexing.