At-A-Glance
Country of Origin
MI
United States
Photos
Essential Information
Specimen ID
3781
Mineral Name
Pyrolusite
Chemical Formula
MnO2
Subcollection
Paris Exposition
Additional Details
Specimen Number
006
Physical Description
Veins of 1 cm slender crystals on white quartz
Geographic Origin
Locality Nickname
Negaunee, Michigan
Locality Lat/Long
46.5090928, -87.6068721
MinDat Locality URL
Additional Details
Original Attributed Locality
Michigan
Negaumee
Geographic Features
Marquette Iron Range