Hematite Plume Eye Agate Copper Replacement Agate it formed layered movement patterns

it formed layered movement patterns that are highly variable and never exactly repeatable

Copper Replacement Agates are among the most sought-after agates from Michigan's Keweenaw Peninsula

Even stable material behaves inconsistently under the wheel

One-of-a-kind display piece

Chlorastrolite of this size is increasingly rare

Hematite Plume Eye Agate Copper Replacement Agate it formed layered movement patternsHematite Plume Eye Agate with Lavender Chalcedony An uncommon and captivating combination of plume, eye, and fortification structures come together in this extraordinary Lake Superior agate. Suspended within translucent chalcedony are metallic hematite plumes that appear to float across the stone like ancient mineral clouds frozen in time. Beneath these dark dendritic formations, delicate fortification banding and eye structures emerge, creating