###Birthstones by Month, Day and Zodiac Sign Birthstones have been loved by both women and men for a long time. Either for a gift or yourself, It is fun to discover what birth crystals are. What are birthstones for each month? Let's get started. Table of Content What is the history of birthstones? What are the birthstones by month? January , February , March , April , May , June , July , August , September, October , November , December How do crystals and gemstones relate t