January - Garnet   Garnet is the accepted birthstone for the month of January.  It is also the accepted anniversary gemstone for the second year of marriage.	February - Amethyst   Amethyst is the recognized birthstone for February and the accepted anniversary gemstone for the sixth year of marriage.
March - Aquamarine Aquamarine is the traditional birthstone for March. It is also the accepted anniversary gem for the 19th year of marriage.	April - Diamond Diamond is the birthstone for the month of April. Besides being the most popular gemstone for engagement rings, diamond is the accepted anniversary gem for the 10th and 60th years of marriage.
May - Emerald Emerald is the birthstone for the month of May. It is also the anniversary gemstone for the 20th and 35th years of marriage.	June - Pearl Pearl is the birthstone for the month of June. It is also the accepted anniversary gemstone for the 3rd and 30th years of marriage.
July - Ruby  Ruby is the accepted birthstone for July. It is also the accepted anniversary gemstone for the 15th and 40th year.	August - Peridot Peridot is the accepted birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage.
September - Sapphire Sapphire is the September birthstone as well as the accepted anniversary gem for the 5th and 45th years of marriage.	October - Opal Opal is the October birthstone as well as the accepted anniversary gemstone for the 14th year of marriage.
November - Topaz Topaz is the accepted birthstone for November. Blue topaz is the accepted anniversary gemstone for the 4th year; Imperial topaz for the 23rd year of marriage.	December - Turquoise Turquoise is the accepted birthstone for December and is the accepted anniversary gemstone for the 11th year of marriage.