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25ct (4mm) to 5
returning the jaws to an open position with consistent tension
347 Round Blank 1/8" × 1-1/2"
100% cadmium-free formulation
Repeatable positioning: Helps you return to the eyepieces quickly when alternating between bench tasks and microscope work
Faceted Marquise Sunstone Select Size:8x4mm 25ct (4mm) to 5Oregon Sunstone is a natural, all American gem, sourced exclusively from mines in the state of Oregon and receiving no treatment of any kind. A member of the Feldspar mineral group, Oregon Sunstone is prized for its lively, sparkling luster caused by flat, reflective copper inclusions contained within the stone. This optical phenomenon known as aventurescence and often referred to as Schiller gives each stone a distinctive, glittering brilliance
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