Birthday bracelet

January - garnet
February - amethyst
March - aquamarine
April - diamond (using quartz Crystal for the vibe)
May - emerald (using moss agate Crystal for the colour)
June - pearl
July - ruby (using garnet for the colour)
August - peridot (moss agate or green quartz substitute)
September - sapphire (sodalite or lapis lazuli substitute)
October - tourmaline
November and December - topaz