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Chip away and see what’s hiding inside. The NOVA Obsidian Excavation Lab lets curious kids dig into an obsidian replica to uncover real gemstones and minerals, then examine their finds like budding gemologists. Excavate real gemstones and minerals from an obsidian replica Practice matching, testing, and classifying stones to identify each find Explore basic geology through hands-on discovery Includes a bonus miniature obsidian dig for another round of excavation
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