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John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors
Esperite, Hardystonite, Franklinite
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| 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 | ||||
| Counter: | This Image has been shown 899 times | ||||
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