At-A-Glance
Country of Origin
30, Plant Street
NJ
United States
Contributors
Edward Sampson
Photos
Essential Information
Specimen ID
5437
Mineral Name
Roepperite
Chemical Formula
Subcollection
Franklin and Sterling Hill Suite
Additional Details
Specimen Number
003
Notes for Researchers
Essentially equivalent to “knebelite,” manganoan fayalite
Physical Description
Black crystal aggregate, polished on one side
Geographic Origin
Locality Nickname
Sterling Mine, Ogdensburg, New Jersey
Locality Lat/Long
41.0832272, -74.6052254
Mining District
Franklin Mining District
Mine Name
Sterling Mine
MinDat Locality URL
Additional Details
Original Attributed Locality
New Jersey
Sterling Hill
Geographic Features
Sterling Hill
Wallkill River Valley
Highlands