1. birthstone
Wikipedia definition
2. BirthstonesA birthstone (or birthday stone) is a gemstone, usually in the form of personal jewelry and most often in the form of a ring. Each stone is traditionally associated with various qualities that symbolize the month of birth in the Gregorian calendar.
Read “Birthstones” on English Wikipedia
Read “誕生石” on Japanese Wikipedia
Read “Birthstones” on DBpedia


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