Where to Find Columbite in Connecticut

Connecticut has 5 mapped collecting spots that report columbite, spread across 2 counties. The largest share sits in Lower Connecticut River Valley Planning Region with 4 spots. 4 of the spots are on land mapped as publicly accessible.

Standout columbite spots in Connecticut

Hand-picked from the full list below, with the reason each one earns a trip.

Case Quarries
Lower Connecticut River Valley Planning Region
The Case Quarries are one of only three sites in Connecticut where mineral collecting on state land is legally sanctioned, set in the pegmatites of Meshomasic State Forest.
Clark Hill Quarries
Lower Connecticut River Valley Planning Region
Clark Hill in Meshomasic State Forest is a second DEEP-sanctioned collecting site and includes the well-known Nathan Hall Quarry.

Best counties for columbite in Connecticut

Ranked by the number of mapped columbite spots. County links open the full rockhounding page for that county.

Every columbite spot we track in Connecticut

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
GlastonburyNew London Turnpike	Capitol Planning Region	Columbite Feldspar	41.6838, -72.5589	Public
Case Quarries	Lower Connecticut River Valley Planning Region	Beryl Aquamarine Columbite Feldspar Muscovite Smoky Quartz Garnet Monazite	41.6350, -72.6150	Public
CCC PegmatiteFilley Road	Lower Connecticut River Valley Planning Region	Albite Beryl Columbite Almandine Garnet	41.4587, -72.5162	Permission
Clark Hill QuarriesWoodcutters Road	Lower Connecticut River Valley Planning Region	Beryl Aquamarine Garnet Muscovite Autunite Torbernite Fluorapatite Smoky Quartz +2 more	41.5937, -72.5432	Public
Collins HillRose Hill Road	Lower Connecticut River Valley Planning Region	Apatite Aquamarine Beryl Citrine Bismuthinite Columbite Feldspar Rose Quartz +2 more	41.5883, -72.5916	Public

Columbite in Connecticut FAQ

Where can you find columbite in Connecticut?+

The mapped spots concentrate in Lower Connecticut River Valley Planning Region and Capitol Planning Region. Every spot on this page appears on the map above with coordinates and access notes.

How many columbite spots are mapped in Connecticut?+

5 spots across 2 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.

Is it legal to collect columbite in Connecticut?+

Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 4 of the 5 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find columbite

Maine5 spots

More minerals to hunt in Connecticut

Hunt columbite in Connecticut with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.