At-A-Glance
Country of Origin
NJ
United States
Photos
Essential Information
Specimen ID
6435
Mineral Name
Hancockite
Chemical Formula
Subcollection
Franklin and Sterling Hill Suite
Additional Details
Associated Minerals
Andradite
Hendricksite
Prehnite
Specimen Number
F062
Physical Description
Brick red, vuggy hancockite with andradite, hendricksite, and minor prehnite, the latter showing pinkish fluorescence under shortwave UV. Vugs possibly contain hancockite crystals as well as crystals of other species; should examine under microscope. Hydrothermally altered Parker Shaft material. Needs cleaning, no scrubbing.
Geographic Origin
Locality Nickname
Parker Shaft, Franklin, New Jersey
Locality Lat/Long
41.1220409, -74.5804378
Mining District
Franklin Mining District
Mine Name
Franklin Mine
Mine Level
Parker Shaft