Birthstones have a Biblical origin, with references to Aaron, the Priest of God. The references are later made that Christians were using birthstones based on the 12 tribes of Israel, and the jewelry worn by the priests of Israel.
The traditions of birth stones varies across cultures, and in 1912 the American National Retail Jewelers Association defined and standardized the birsthstone chart we know and use to this day.
|Month||Traditional||Optional / Non-Traditional|
|June||Pearl||Moonstone, Alexandrite, Cat's Eye, Turquise, Agate|
|August||Peridot||Spinel, Sardonyx, Carnelian, Moonstone, Topaz|
|December||Blue Zircon||Turquise, Tanazanite, Ruby, Bloodstone|
The above list is a based on traditional gifts, but use these opportunities to be creative in your expression of what to give.