Round 4mm sunstones bezel set in a larger silver circle drop earring. Sunstone is a gem unique to the state of Oregon. The Ponderosa Mine is owned by Desert Sun Mining & Gems and is the largest deposit of sunstone in the world. Using green mining practices, each stone is 100% natural and sustainably mined. Sunstones can be a rainbow of colors, with intense reds and greens being the most rare.