Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Ganophyllite from
Franklin Mine, Franklin, Sussex County, New Jersey, USA


09082740017271923291140.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02390620017272027634875.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
03474940017272027658167.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02167410017272027672914.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
03044140017367381357510.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02390620017272027634875.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
03474940017272027658167.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02167410017272027672914.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07809350017271923412326.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02390620017272027634875.jpg
Ganophyllite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
03474940017272027658167.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02167410017272027672914.jpg
Ganophyllite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Ganophyllite
Formula:(K,Na)xMn62+(Si,Al)10O24(OH)4 · nH2O (x = 1-2; n = 7-11)
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clinohedrite30
Willemite30
Hendricksite26
Roeblingite21
Xonotlite21
Hancockite16
Prehnite16
Axinite-(Mn)15
Rhodonite13
Charlesite8
Cahnite7
Pennantite7
Marsturite6
Bementite6
Datolite4
Atacamite1
Andradite1
Native Copper1
Ettringite1
Thomsonite Subgroup1
Fowlerite1
Data
Mineral Data:Click here to view Ganophyllite data
Locality Data:Click here to view Franklin Mine, Franklin, Sussex County, New Jersey, USA
Photo GalleryView Gallery (15 photos)
Data Identifiers
Mindat Occurrence Record ID:53864
Long-form Identifier:1:3:53864:6
GUID (UUID V4):0
Localities for Ganophyllite in this Region
Parker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Nearest other occurrences of Ganophyllite
0.6km (0.4 miles) ⓘParker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
References
Palache, Charles (1935) The minerals of Franklin and Sterling Hill, Sussex County, New Jersey. Professional Paper 180. US Geological Survey 135 pp. doi:10.3133/pp180 p.114
Hurlbut, C. S., Baum, J. L. (1960) Ettringite from Franklin, New Jersey. American Mineralogist, 45 (11-12) 1137-1143
Smith, Marie Lindberg, Frondel, Clifford (1968) The related layered minerals ganophyllite, bannisterite, and stilpnomelane. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (283) 893-913 doi:10.1180/minmag.1968.283.036.01
Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 4. The Franklin-Ogdensburg Mineralogical Society.p.494
 
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