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Petedunnite

About
Group Parent: 
Type Locality
Buckwheat pit (Southwest opening; Buckwheat Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Mineral Data
Ca(Zn,Mn2+,Mg,Fe2+)Si2O6
Strunz: 
9.DA.15
Physical Properties
Hardness: 
5.0 - 6.0