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Arizona State University's geology museum in Tempe, housing minerals, gems and fossils from Arizona and worldwide.
The ASU Robert S. Dietz Museum of Geology is a museum at Arizona State University in Tempe, Maricopa County, Arizona. It houses minerals, gems and fossils from Arizona and around the world.
ASU Robert S. Dietz Museum of Geology is a museum near Tempe, in Maricopa County. It is one of the museums in this database, and appears in the statewide ranking of Arizona attractions.
No official visitor count is published for ASU Robert S. Dietz Museum of Geology, so its score rests on public interest and tourism significance, and is capped below the level a measured attraction can reach. That is why the low confidence above is not higher. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.
Note on the data: No official visitor count is published for this attraction.
Record last verified 2026-08-12.

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