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Sheba Gemstone collection at the Tucson Show Every year, Tucson, Arizona transforms into the world’s largest gemstone and mineral marketplace , drawing tens of thousands of gem enthusiasts, collectors, designers, and industry professionals from around the globe. The 2026 Tucson Gem, Mineral & Fossil Showcase taking place from January 28 to February 15, 2026 is no exception. During this period, more than 40 independently owned and operated shows unfold across the city, from

Ethiopian opals have become some of the most exciting gemstones in the jewelry world. Known for their vivid play-of-color, crystal clarity, and unique honeycomb patterns, these stones offer remarkable beauty and variety. But because no two opals are exactly the same, knowing how to judge quality is essential before buying. This guide explains the key factors that determine the quality and value of Ethiopian opals, helping collectors and jewelry buyers make informed choices. W

Opals are among the most mesmerizing gemstones on Earth, known for their shifting flashes of color that seem to move within the stone. But when people search for opals, they often discover two major sources dominating the market: Ethiopian opals and Australian opals. While both are beautiful and valuable, they differ in origin, for\mation, structure, appearance, and care. Understanding these differences helps collectors, jewelers, and gemstone enthusiasts choose the opal that

Ethiopian opals have become some of the most sought-after gemstones in the world. Known for their vivid flashes of color, honeycomb patterns, and volcanic origins, these stones have transformed the global opal market. But what exactly makes Ethiopian opals different from other opals, and why are collectors and jewelry designers drawn to them? The Origin of Ethiopian Opals Ethiopian opals are primarily found in the Wollo region of Ethiopia. Unlike Australian opals that form in

By: David A. Jones Ethiopian rough Opal When it comes to gemstones that mesmerize with color and character, few can rival the radiant mystery of Ethiopian opals. These treasures born deep in the volcanic soils of East Africa are not only captivating to the eye, but they also carry a cultural and geological story that makes them truly one of a kind. A Discovery That Changed the Opal World While opals have been cherished for centuries, Ethiopia only entered the global opal scen