Opal

Opal is a beautiful gemstone that is known for its vibrant play of colors and iridescent sheen. It is a type of hydrated amorphous silica, a mineral that is found in various parts of the world, but is most commonly found in Australia and Ethiopia. It is also the birthstone for the month of October, making it a popular choice for those with an October birthday. Overall, opal is a stunning gemstone that is highly prized for its unique beauty and colors.