6383 - Manganosite

At-A-Glance

Country of Origin

NJ
United States

Photos

Essential Information

Specimen ID

6383

Mineral Name

Manganosite

Chemical Formula

MnO

Subcollection

Franklin and Sterling Hill Suite
Associated Minerals
Zincite
Specimen Number
F010

17037b

Excellent example of coarse-grained massive manganosite with zincite along octahedral parting surfaces. From one of the most famous and coveted of the Franklin mineral assemblages, owing not only to its rarity but also the contrast between emerald-green manganosite and blood-red zincite.
Sawed and repaired, reducing value

Geographic Origin

Locality Nickname

Franklin, New Jersey

Locality Lat/Long

41.1220409, -74.5804378

Mining District

Franklin Mining District