English: Gemstones of various colors Meaning of various gems: Garnet is the birthstone of January, representing chastity, friendship and loyalty. Amethyst is the birthstone in February, symbolizing honesty and peace of mind, and it is a commemorative gem for the seventeenth wedding anniversary. People regard topaz as "the stone of friendship", which together with topaz is the birthstone of November, symbolizing sincere friendship and fraternity. Aquamarine is the birthstone of March, symbolizing "composure and courage" and "happiness and longevity". Diamonds are the birthstone of April, symbolizing chastity and purity, and are also jewelry for the 75th wedding anniversary. Therefore, the 75th wedding anniversary was named Diamond Wedding Grandmother Emerald as the birthstone in May, symbolizing a happy wife, and it was also a gem gift for the 55th wedding anniversary. People think that wearing moonstone can bring good luck. Indians regard the moonstone as a "sacred stone", which is a gem for the 13th wedding anniversary. Together with metamorphic rocks and pearls, it is listed as June birthstone, which indicates health, longevity and prosperity. Ruby represents noble and passionate love and is considered as the birthstone of July. Olivine is a beautiful gem with moderate price. Colorful, pleasing to the eye, deeply loved by people, known as the "stone of happiness." It is the birthstone of August, which indicates the happiness and harmony of husband and wife. Sapphire, the birthstone of September, is a kind of high-grade gem and one of the five major gems. After diamonds and rubies. Orientals believe that wearing sapphire can protect people from evil and bring good luck. As the birthstone of October, opal is the stone of hope and happiness. Topaz is the birthstone of 1 1 month, and it is also the jewelry for the wedding16th anniversary. Wearing it symbolizes friendship and happiness. Zircon, turquoise and lapis lazuli are listed as December birthstones in the gem world, which symbolize victory and good luck and are the guarantee of success.