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and natural pattern clarity after cutting from the original nodule form
Copper Replacement Agate
Copper Replacement/Inclusionbrecciated Ghost Agate Cabochon🌹
Upper Peninsula material is less commonly encountered in mainstream lapidary circulation
Complete Copper Replacement Agate Ring Copper Replacement Agate and natural pattern clarity afterThis ring is built around a copper replacement agate sourced from naturally formed nodules found within amygdaloidal basalt in the Keweenaw Peninsula region of Michigans Upper Peninsula. These nodules form as discrete rounded structures within volcanic basalt, and only a small percentage contain material suitable for cutting once exposed. Many are fractured, partially mineralized, or structurally unstable due to the way secondary copper mineralization
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