3965 - Neptunite

At-A-Glance

Country of Origin

CA
United States

Contributors

M. Kemmerer

Photos

Essential Information

Specimen ID

3965

Mineral Name

Neptunite

Chemical Formula

KNa2Li(Fe++,Mn)2Ti2Si8O24
Associated Minerals
Benitoite
Natrolite
Specimen Number
006

Black 24 mm neptunite crystal, with smaller crystals and partial benitoite crystals on natrolite

Geographic Origin

Locality Nickname

San Benito Co., California

Locality Lat/Long

36.5760883, -120.9876321
Original Attributed Locality
California
San Benito County