michael Davi
University of California-Riverside
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Free Specimens for Colleagues part of NAGT:Our Resources:Teaching Resources:Rock and Mineral Exchange:Postings
This is a transactional page from the NAGT website's Rock and Mineral Exchange program, listing free igneous and metamorphic rock specimens—including gabbros, peridotites, skarns, blueschists, and eclogites—available to educators from Michael Davis at UC Riverside, with details on specimen types, collection sources, and conditions for acquisition.