Mexican Fire Opal Orange Shaded Rondelle Faceted Natural Beads 16 Inches StrandsFire opals are a type of opal known for their vibrant and fiery colors, which can range from bright yellow, orange, and red to a deep orange red. Unlike other opals that typically display a play of color caused by internal diffraction of light, fire opals often exhibit a uniform body color with little to no play of color. This fiery appearance is due to the presence of iron oxide and other trace elements within the opal. Fire opals are found in