6435 - Hancockite

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
Associated Minerals
Andradite
Hendricksite
Prehnite
Specimen Number
F062

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