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Agate Beads
Agate is a variety of translucent Chalcedony ranging in many colors due to mineral inclusions.
Latest update: 2025 April 25
Hexagonaria Fossil Coral
Hexagonaria is a genus of colonial rugose coral. Fossils are found in rock formations dating to the Devonian period, about 350 million years ago. [Wiki]
The polished head shows the beautiful, inner structure of the coral colony. Fossils of this genus also form Petoskey stones, the State Stone of Michigan.
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