Large Australian Boulder Opal Specimen: Natural Collectors Stone, Home Decor

If you’ve been searching for a gemstone that blends natural beauty with uplifting energy, a Boulder Opal might be exactly what you’re drawn to. Known for its vivid play of color and grounding matrix of ironstone, this large high-quality Boulder Opal specimen is a remarkable piece both energetically and visually.
Size: 130 mm OR 5.12 inch, 65mm OR 2.56 inch
Weight: 2740 carats (548 grams ) OR 19.33 OZ
Mined in Queensland, Australia, each boulder opal forms over millions of years, tiny fissures in ironstone filled with silica-rich water that hardened into opal. The result is a natural painting of vibrant blues, greens, and fiery hues, all shimmering within the rock itself.
Collectors value Boulder Opal for its rarity and earthy contrast, while crystal enthusiasts believe it enhances emotional balance, creativity, and intuition. This piece makes an elegant display specimen, meditation companion, or unique home décor accent that carries both beauty and grounding energy.