Dugway Geode DX221
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Dugway Geode
Approx. Dimensions: 3.75 x 3.25 x 1.5"
Approx. Weight: 392 grams
Locality: Dugway Geode Beds, Juab County, Utah
Acrylic stand not included
This piece reacts to long wave and short wave ultraviolet light. Short wave is shown in the first photo and long wave in the second. We have two long wave UV flashlights available here.
Approximately 6 to 8 million years ago (Miocene epoch), volcanic activity occurred in western Utah and deposited an extrusive igneous rock called rhyolite. Trapped gasses formed cavities within the rhyolite, and millions of years of ground-water circulation allowed minerals to precipitate into the cavities. The result is geodes with spherical shapes and crystal-lined cavities. Roughly 32,000 to 14,000 thousand years ago, a large body of water known as Lake Bonneville covered most of western Utah. The lake’s wave activity eroded the geode-bearing rhyolite and redeposited the geodes several miles away in the Dugway geode bed area as lake sediments. Most geodes are typically hollow whereas others are completely filled with massive, banded quartz. The most common mineral found within the geodes is quartz in various colors: clear (rock crystal), purple (amethyst), and pink (rose). The fluorescence under UV light is due to trace amounts of uranium in the quartz.
(Source: Utah Geological Survey)
Orders typically ship within 24-48 business hours. Shipping options and costs are calculated at checkout.
International shipments are subject to duties/taxes that vary by recipient country. You are responsible for any duties, fees, or taxes associated with your shipment. International shipments that are returned to us due to failure to pay duties, fees, or taxes will be assessed a 25% restocking fee.
Returns are accepted within 14 days of delivery according to the tracking information on the order. Items must be returned in new/unused/undamaged condition to receive a full refund. Items returned to us damaged or not in original condition will receive a partial refund. Refunds will be issued to the original payment method on the order.
If a return is made for reasons other than an error on our part, a 20% restocking fee will apply and will be deducted from any refund due.
We will not accept returns for any items outside of the 14 day return window.
Return shipping costs are the responsibility of the sender. We do not refund shipping costs. Please contact us if you need to return an item.
Updated 5/14/2026
