Opal is a mineral composed of hydrated silica that forms in a range of colours and patterns. Opals are valued for their distinct colour play, which is caused by light diffraction in the stone's small silica spheres. Opal stone price varies based on its quality, color, and origin, you can check out PMKK Gems, they offer a wide range of gemstones. https://rashiratanjaipur.net/semi-precious-stones/opal