18ct Yellow Gold & Opal Stud Earrings

18ct Yellow Gold & Opal Stud Earrings: Meet the boulder opal—a gemstone that feels as though it holds an entire world within it. These remarkable stones display vivid flashes of blue and green, reminiscent of shimmering seascapes, rolling landscapes, and shifting skies all at once. No two are ever alike, and each one seems to tell its own story in colour and light. Boulder opals are formed when precious opal develops directly upon its ironstone host rock, leaving behind a natural layer of silica that perfectly echoes the contours of the boulder beneath. This unique relationship between gemstone and matrix gives boulder opals their characteristic depth and striking patterns. The undulating surface of the opal adds a sculptural quality, creating natural highs and lows that play with shadow and highlight. As the piece moves, light dances across the stone, revealing new flashes of colour and hidden details with every angle. Earthy, expressive, and utterly mesmerising—boulder opal is truly one of nature’s most enchanting creations.
 
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