Connecticut · Middlesex County
Past Producer

Case Beryl Prospects

Middlesex County, Connecticut, United States
FeldsparBerylliumMicaSilicaNiobium (Columbium)Tantalum
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar
SecondaryBeryllium, Mica
TertiarySilica, Niobium (Columbium), Tantalum
Commodity typeB
Economic & production
Development statusPast Producer
Identification
Deposit ID10264478
MRDS IDW000384
RegionNA
Data scoreD
Coordinates41.62669, -72.58092
References
CAMERON, E.N., LARRABEE, D.M., MCNAIR, A.H. AND OTHERS, 1954USGS PROF PAPER 255.ACCESSORY MINERALS-GARNET, TOURMALINE, COLUMBITE-TANTALITE,BERYL.