6471 - Augite

At-A-Glance

Country of Origin

NJ
United States

Photos

Essential Information

Specimen ID

6471

Mineral Name

Augite

Mineral Variety

Jeffersonite

Chemical Formula

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6

Subcollection

Franklin and Sterling Hill Suite
Specimen Number
F097

79/325

Augite (jeffersonite) – a large, ugly, but classic and well-formed crystal. As label indicates, possibly not a Franklin specimen. Could be Canadian; pyroxene crystals from the Bancroft area have entered collections of Franklin minerals before, and been passed off as local material.

Geographic Origin

Locality Nickname

Franklin, New Jersey

Locality Lat/Long

41.1220409, -74.5804378

Mining District

Franklin Mining District

Mine Name

Franklin Mine