There are several types of opals utilized in pendants, each with its precise characteristics. The most not unusual types include white opal, black opal, boulder opal, and hearth opal. White opal, recognised for its lighter frame tone, presentations a gentle play-of-shade, regularly with pastel colorations. Black opal, surprisingly prized for its darkish history, enhances the depth of the gem’s vibrant colors. Boulder opal is precise as it is found with traces of the ironstone matrix, including earthy tones to the general appearance of the stone. fireplace opal, alternatively, is normally transparent or translucent with warm colorings of purple, orange, or yellow, though it is able to lack the standard play-of-coloration observed in different opals. every form of opal gives a wonderful appearance and power, making the selection of opal for a pendant a deeply personal one.