6458 - Tephroite

At-A-Glance

Country of Origin

NJ
United States

Photos

Essential Information

Specimen ID

6458

Mineral Name

Tephroite

Chemical Formula

Mn2SiO4

Subcollection

Franklin and Sterling Hill Suite
Associated Minerals
Willemite
Specimen Number
F085

8/379

Small but fine example of secondary tephroite and willemite crystals in vugs

Geographic Origin

Locality Nickname

Franklin, New Jersey

Locality Lat/Long

41.1220409, -74.5804378

Mining District

Franklin Mining District

Mine Name

Franklin Mine