
Beryl Mica Lode
Beryl Mica Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
View detailsQuartz veins, crystal pockets, and pegmatite sites — from Herkimer diamonds to Arkansas clear quartz.
32 quartz & crystals destinations in South Dakota.
Rockhounding sites in South Dakota — quartz & crystals: 32 spots in our directory. Sort live from your phone with near me, or browse all U.S. quartz & crystals rockhounding sites and the South Dakota state page.
Quartz veins, crystal pockets, and pegmatite sites — from Herkimer diamonds to Arkansas clear quartz.
We currently document 32 quartz & crystals collecting sites in South Dakota. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
Quartz & Crystals destinations in South Dakota 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 South Dakota state page, our guides, or use near me to sort by distance from your location.

Beryl Mica Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Big Smoke Group is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Big Spar No 1 Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Black Hills pegmatites near Keystone and Custer produced feldspar and mica for industry; collectors find quartz and beryl in old diggings.
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Blue Bonnet Claim is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Bob Ingersoll Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Feldspar, Lepidolite, Mica.
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Cowboy Tin Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Mica.
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Greene Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.
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Highview Prospect is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Lepidolite, Mica.
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Hill City is a documented mineral occurrence near SD. Reported specimens include Beryl, Red Cassiterite, Cervantite, Columbite, Graphite, Wolframite. Verify land access and collecting rules before visiting.
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Keystone is a documented mineral occurrence near SD. Reported specimens include Tourmaline, Spodumene, Lepidolite, Autunite, Golden Beryl, Quartz crystals, Zircon, Aquamarine. Verify land access and collecting rules before visiting.
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King Lithia Prospect is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite.
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Knowles Lode Claim is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Mica, Quartz crystals.
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Lincoln No. 6 Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Lincoln Number Six Lode is a mineral prospect in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Lucky Twist Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Mountain Rose Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Pennington County is a documented mineral occurrence near SD. Reported specimens include Amethyst. Verify land access and collecting rules before visiting.
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Phenacite Prospect is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Piedmont is a documented mineral occurrence near SD. Reported specimens include Selenite crystals. Verify land access and collecting rules before visiting.
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Ponca Group MS 1110 is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Rattlesnake Butte is a documented mineral occurrence near SD. Reported specimens include Calcite crystals. Verify land access and collecting rules before visiting.
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Rose Quartz is a documented rockhounding destination in SD. Collectors visit for quartz crystals, calcite and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Sitting Bull Group is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Snookum is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.
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Soda Spar Lode is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.
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Spearfish Canyon is a documented mineral occurrence near SD. Reported specimens include Amethyst, Geodes, chalcedony, Silicified wood, amethyst. Verify land access and collecting rules before visiting.
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Tin Spike Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Mica, Wolframite.
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White Cloud Prospect is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.
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Whitewood Creek is a documented mineral occurrence near SD. Reported specimens include Amethyst, Geodes, chalcedony, Chalcedony, Silicified wood, amethyst. Verify land access and collecting rules before visiting.
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Wilhelm Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.
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Wood Tin Lode is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.
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