Marquette Lake Superior Agate Pendant Copper Replacement Agate including a small but distinct

including a small but distinct area of copper banding

significantly reducing reliable access to fresh material

One of the primary collecting areas has been lost to shoreline erosion

Every angle reveals new details: swirling fortifications

Lake Superior agates from this region are formed within ancient basalt systems and later redistributed through glacial movement across the Great Lakes

Marquette Lake Superior Agate Pendant Copper Replacement Agate including a small but distinctThis pendant is set with a Marquette region Lake Superior agate sourced from the Upper Peninsula of Michigan. Lake Superior agates from this region are formed within ancient basalt systems and later redistributed through glacial movement across the Great Lakes. While geologically part of a broader Lake Superior agate system, Upper Peninsula material is less commonly encountered in mainstream lapidary circulation, and quality varies significantly