Where to Find Sillimanite

18 mapped sillimanite spots across 10 regions in 2 countries. Pick a region for its local guide, or browse every spot by country below. Sillimanite is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Top regions for sillimanite

United States

17 spots · 9 regions

Canada

1 spots · 1 regions

Québec1

Every mapped sillimanite spot

United States17Canada1

17 mapped sillimanite spots in United States, most in Georgia (3). 13 public, 0 paid, 2 permission.

Spot	County	Minerals	Coordinates	Access
Gold Mines Creek (East)Watts Mill Road	Clay County	Actinolite Chlorite Olivine Pyrope Gold Sillimanite Talc	33.3547, -85.8820	Check locally
Millsite Tin Mine	Coosa County	Albite Apatite Cassiterite Epidote Garnet Lepidolite Topaz Tourmaline +1 more	32.8997, -86.2063	Check locally
NorwichMohegan Park Road	Southeastern Connecticut Planning Region	Corundum Sillimanite	41.5468, -72.0679	Public
Hoopes ReservoirCenterville Road	New Castle County	Sillimanite	39.7855, -75.6255	Public
Near Brandywine Springs State ParkThompsons Bridge Road	New Castle County	Sillimanite	39.8087, -75.5768	Permission
BowersvilleWest Main Street	Hart County	Sillimanite	34.3725, -83.0834	Public
Brasstown ChurchMisty Creek Lane	Towns County	Sillimanite Kyanite Biotite Muscovite	34.9811, -83.8876	Public
Hunter KnobBlue Bird Lane	Towns County	Graphite Muscovite Quartz Sillimanite	34.9713, -83.9005	Public
Ennis	Madison County	Andalusite Kyanite Sillimanite	45.1931, -111.9394	Public
Ruggles MineRuggles Mine Road	Grafton County	Amethyst Apatite Beryl Calcite Feldspar Garnet Lepidolite Marcasite +7 more	43.5895, -71.9924	Public
MarbleKinnins Cove Lane	Cherokee County	Sillimanite Staurolite	35.1672, -83.9257	Public
Henderson PointDeer Tick Lane	Vance County	Quartz Rutile Sillimanite	36.5417, -78.3563	Public
Cherokee County	Cherokee County	Barite Hematite Kyanite Sillimanite Corundum Sapphire	35.1025, -81.5726	Public
King's CreekRagan Trail	Cherokee County	Barite Chalcopyrite Galena Kyanite Quartz Pyrite Sillimanite	35.0815, -81.4485	Public
Paris Mt. State ParkSulphur Springs Trail	Greenville County	Beryl Garnet Quartz Smoky Quartz Sillimanite Tourmaline	34.9360, -82.3920	Permission
General AreaState Highway 182	Iron County	Almandite Biotite Kyanite Muscovite Quartz Plagioclase Sillimanite Staurolite	46.0834, -89.9912	Public
Jackson Co. Iron Mine dumps	Jackson County	Actinolite Almandine Andalusite Biotite Kyanite Magnetite Sillimanite	44.2939, -90.7184	Public

1 mapped sillimanite spots in Canada, most in Québec (1). 0 public, 0 paid, 0 permission.

Spot	Minerals	Coordinates	Access
Hincks BridgeChemin du Lac-Sainte-Marie	Almandine Kyanite Sillimanite Andalusite Dumortierite Tourmaline Quartz	45.9436, -75.9639	Check locally

Sillimanite rockhounding FAQ

Where is the best place to find sillimanite?+

Georgia, South Carolina, Alabama have the highest concentrations of sillimanite in this list. Quality and access vary by area, so open the linked region pages for a detailed view.

How many sillimanite rockhounding spots does RockHoundR track?+

18 mapped spots across 10 regions in 2 countries. The app keeps these on a map alongside your private finds.

Can I legally collect sillimanite on public land?+

In the U.S., casual hand collecting of common rocks and minerals like sillimanite is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Rules differ by country and region, so always check with the managing agency before a trip.

How do I identify sillimanite in the field?+

Field identification of sillimanite comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.

Hunt sillimanite on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.