Sometimes I come across useful information and I'll put it here.
Birthstones-
January- Red Garnet and Rose Quartz
February- Amethyst and Bloodstone
March -Aquamarine and Crystal
April -Crystal quartz and Herkimer diamond
May -Malachite and chrysoprase
June – pearl and moonstone
July -Ruby and carnelian
August -Peridot and jade
September -Lapis and sapphire
October -Opal and tourmaline
November - Topaz and citrine
December -Onyx and turquoise