
Hoopes Reservoir
Hoopes Reservoir is a documented mineral occurrence near DE. Reported specimens include Sillimanite. Verify land access and collecting rules before visiting.
View detailsMixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
4 other destinations in Delaware.
Rockhounding sites in Delaware — other: 4 spots in our directory. Sort live from your phone with near me, or browse all U.S. other rockhounding sites and the Delaware state page.
Mixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
We currently document 4 other collecting sites in Delaware. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
Other destinations in Delaware vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.
For trip planning beyond this filter, browse the full Delaware state page, our guides, or use near me to sort by distance from your location.
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Hoopes Reservoir is a documented mineral occurrence near DE. Reported specimens include Sillimanite. Verify land access and collecting rules before visiting.
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Near Brandywine Springs State Park is a documented mineral occurrence near DE. Reported specimens include Sillimanite. Verify land access and collecting rules before visiting.
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Sillimanite is a documented rockhounding destination in DE. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Swedes Landing is a documented rockhounding destination in DE. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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