Theese are NOT viking runes. They are an older Rune alphabet, from around year 500 and earlier. They are called the elder futhark. The viking Rune alphabets have usually only 16 runes and there are several different alphabets from that time.
Wiccan Symbols for the Elements – symbol of the sacred feminine~ this Celtic symbol is associated with the Goddess in her 3 aspects~ the Maiden, Mother, Crone; the 3 levels of beings~ mind, body, and soul; and the 3 Celtic realms~ earth sea and sky.