Opal is a gemstone full of mystery and fantasy. It is believed that it has magical powers that can show the scattering of the seven colors of the rainbow.Opal reflects many colors that give you the impression of looking at the colors of the rainbow in a range. It can be captivating and needs to be seen to be appreciated.Opal is a birthstone for those born in October. So it has been a symbol of many beliefs and superstitions since time immemorial.