Black opal is a variety of opal that shares the same chemical composition and characteristics as all opals. Opal is a colorful class of gemstones that range in color from white to orange to black. The most valued opals showcase an optical phenomenon called “play of color,” which is a feature only seen in opal gemstones. Black opal’s striking color combinations and patterns make it one of the most highly valued types of opal that exists. Black opal exists abundantly in the gemstone market, high-quality black opal is rare because of the stone’s vivid color contrast between the dark body tone and rainbow flashes that shine so brilliantly across the gemstone.
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