Each month of the year is associated with a particular gemstone. It has become a tradition to buy jewellery containing these gemstones as birthday gifts and they are thought to be lucky. This custom began in the 18th century and is still popular today.

	January	Garnet	creativity
	February	Amethyst	intuition and intelligence
	March	Aquamarine	love
	April	Diamond	spirituality
	May	Emerald	predicts the future
	June	Pearl	preserves virtue
	July	Ruby	peace and health
	August	Peridot	protects from evil
	September	Sapphire	calm
	October	Opal	innocence
	November	Topaz	dispels bad dreams
	December	Turquoise	good luck