At-A-Glance
Country of Origin
NJ
United States
Photos
Essential Information
Specimen ID
6607
Mineral Name
Esperite
Chemical Formula
PbCa3Zn4(SiO4)4
Subcollection
Franklin and Sterling Hill Suite
Additional Details
Associated Minerals
Calcite
Clinohedrite
Hardystonite
Willemite
Specimen Number
F244
Notes for Researchers
1/379g
Physical Description
Esperite, hardystonite, calcite, willemite, minor clinohedrite. An unusually aesthetic example of a classic Franklin “five-color” specimen.
Geographic Origin
Locality Nickname
Franklin, New Jersey
Locality Lat/Long
41.1220409, -74.5804378
Mining District
Franklin Mining District
Mine Name
Franklin Mine