Everyone likes to have at least one piece of jewelry with their Birthstone in it, but sometimes they don't know exactly what they should get.  Contrary to what most people believe there are several "birthstones" for each month depending on the source you get your information from.  There are usually at least two varieties for each month, there is generally a higher value stone, and a more inexpensive stone for each month so everyone can get something they can afford.  I will list the stones that are probbaly the most commonly seen for each month here.  Some people believe as long as it is the correct color for that month then it does not matter what the material is.  Others believe as long as it is the correct material than the color does not matter.  Many of these materials like Garnet, Sapphire, Tourmaline, Topaz, and Zircon can be found in many different colors.  When it comes to choosing your birthstone, use whatever guidelines you want, and pick something that YOU like!  If you don't particularly like the brownish red Garnets you typically see for January, but want to stick with a Garnet.  Maybe a nice bright pink Rhodalite Garnet, or Neon orange Spessartite Garnet, or even a green Chrome Pyrope Garnet or Demantoid Garnet.  It is your birthstone, pick whatever you like the most.

January-  Garnet or Rose Quartz

February-  Amethyst or Onyx

March-  Aquamarine or Bloodstone

April-  Diamond or Rock Crystal(Quartz)

May-  Emerald or Chrysoprase

June-  Alexandrite, Moonstone, or Pearl

July-  Ruby or Carnelian

August-  Peridot or Sardonyx

September-  Sapphire or Lapis

October-  Opal or Tourmaline

November-  Topaz or Citrine

December-  Tanzanite, Zircon, or Turquoise