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
Additional Details
Specimen Number
F097
Notes for Researchers
79/325
Physical Description
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