Mineralogy Database

Esperite Hardystonite Franklinite Image

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 Esperite, Hardystonite, Franklinite

Large Esperite Image

Mineral: Esperite: PbCa3Zn4(SiO4)4  
Hardystonite: Ca2ZnSi2O7  
Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4
Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite.
Location: Franklin, Sussex County, New Jersey.
Scale: See Photo.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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