Spinelli Feldspar-samarskite Pegmatite Prospect Quarry

Past ProducerTantalum, REE, Niobium (Columbium), Beryllium, Mica, FeldsparUSGS MRDS

Location

StateConnecticut
CountyHartford
Coordinates41.68398, -72.55352

Commodities

PrimaryTantalum, REE, Niobium (Columbium), Beryllium, Mica, Feldspar

Mine Details

StatusPast Producer
Deposit TypePegmatite
First Production1940
Data SourceUSGS MRDS
Source ID10067702