At-A-Glance
Country of Origin
NJ
United States
Contributors
William Squier
Photos
Essential Information
Specimen ID
5450
Mineral Name
Tephroite
Chemical Formula
Mn2SiO4
Subcollection
Franklin and Sterling Hill Suite
Additional Details
Associated Minerals
Franklinite
Zincite
Specimen Number
003
Physical Description
Massive gray, with zincite masses and franklinite crystals up to 5 mm
Geographic Origin
Locality Nickname
Franklin, New Jersey
Locality Lat/Long
41.1220409, -74.5804378
Mining District
Franklin Mining District
Mine Name
Franklin Mine
MinDat Locality URL
Additional Details
Original Attributed Locality
New Jersey
Franklin Furnace
Geographic Features
Franklin Furnace