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This natural Ethiopian Welo Opal rough weighs 50 carats and is an excellent piece for collectors, lapidary artists, and jewelry makers. Sourced from the renowned Welo Province of Ethiopia, this rough precious opal has the potential to display vibrant flashes of blue, green, orange, yellow, and red as it catches the light. Whether left as a natural specimen or cut into finished gemstones, it offers outstanding beauty and versatility. Welo Opals formed millions of years ago when silica-rich water filled cavities in volcanic rock, eventually hardening into precious opal. They are highly prized for their brilliant play-of-color and hydrophane properties, which allow the stone to temporarily absorb water. Details: Natural Ethiopian Welo Opal Rough Weight: 50 Carats Origin: Welo Province, Ethiopia Ideal for cutting, cabbing, wire wrapping, collecting, or display Follow our page for more crystals, minerals, gemstones, carvings, jewelry, and unique collector specimens added regularly!