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Upper Peninsula material is less commonly encountered in mainstream lapidary circulation
Copper Replacement/Inclusionbrecciated Ghost Agate Cabochon🌹
Every angle reveals new details: swirling fortifications
As many traditional collecting locations continue to disappear
The result is a one-off statement piece combining high-grade regional material with extended hand fabrication in precious metal
Complete Copper Replacement Agate Ring Copper Replacement Agate Upper Peninsula material is lessThis 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