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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Franklinite from
Franklin Mine, Franklin, Sussex County, New Jersey, USA


04436470017362465216530.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06657380017271923358382.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09287460017362465211554.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07757330017272027412559.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02423500017864808274165.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
04636580017271923184468.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09287460017362465211554.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07757330017272027412559.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07407560017271923215303.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06657380017271923358382.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
04094540017362465228975.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09390420017272027433056.jpg
Franklinite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Franklinite
Formula:Zn2+Fe23+O4
Comments:Prolific basic ore mineral. Manganese percentage varies markedly to isolated occurrences of jacobsite.
Habit:Octahedral, dodecahedral
Colour:Black
Luminescent properties:None
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Extremely common
Confirmation
Validity:Valid - Type Locality
Associated Minerals:
Associates:Allactite
Alleghanyite
Andradite
Bustamite
Cahnite
Calcite
Clinohedrite
Cuspidine
Datolite
Esperite
Friedelite
Gageite
Gahnite
Ganophyllite
Glaucochroite
Hancockite
Hardystonite
Hedyphane
Hendricksite
Hodgkinsonite
Larsenite
Leucophoenicite
Manganberzeliite
Margarosanite
Native Copper
Rhodonite
Sclarite
Sphalerite
Tephroite
Turneaureite
Vesuvianite
Willemite
Zincite
Associated Minerals Based on Photo Data:
Willemite774
Calcite556
- var Manganese-bearing Calcite4
Zincite252
Hardystonite201
Esperite130
Clinohedrite103
Andradite99
- var Polyadelphite3
Rhodonite91
Leucophoenicite38
Diopside31
- var Schefferite12
Hodgkinsonite30
Baryte29
Glaucochroite26
Hendricksite26
Bustamite22
Native Copper19
Sphalerite19
Tephroite18
Hancockite17
Lennilenapeite17
Fluorapatite17
Cuspidine16
Axinite-(Mn)15
Microcline15
- var Amazonite3
- var Hyalophane3
Pectolite14
Sonolite13
Sussexite13
Hedyphane12
Löllingite12
Margarosanite11
Serpentine Subgroup11
Fluorite11
- var Chlorophane1
Dolomite10
Antigorite9
- var Vorhauserite9
Galena9
Lizardite8
Alleghanyite8
Hematite8
Bementite8
Apatite Group7
Stilpnomelane7
- var Ferristilpnomelane7
Jerrygibbsite7
Chalcodite7
Trioctahedral mica7
Rhombohedral Carbonate7
Xonotlite6
Chondrodite6
Hydrozincite6
Hydroxylapatite6
Cuprite6
Caryopilite6
Chlorophoenicite5
Dolomite Group5
Pyrochroite5
Friedelite5
Malachite5
Wollastonite5
Cahnite4
Prehnite4
Pyroxmangite4
Sarkinite4
Johnbaumite4
Clinochrysotile4
Manganberzeliite4
Gahnite3
Nasonite3
Chalcopyrite3
Samfowlerite3
Humite Group3
Mica Group3
Grossular3
Clinochlore3
Uraninite3
Humite3
Yeatmanite2
Quartz2
Svabite2
Calcozincite2
Tremolite2
Magnesiochlorophoenicite2
Franklinfurnaceite2
Cuprostibite2
Turneaureite2
Domeykite2
Strontianite2
Adamite2
Chrysotile2
Rhodochrosite2
Spessartine1
Apatite1
Magnetite1
Scheelite1
Charlesite1
Pyrobelonite1
Data
Mineral Data:Click here to view Franklinite data
Locality Data:Click here to view Franklin Mine, Franklin, Sussex County, New Jersey, USA
Photo GalleryView Gallery (105 photos)
Data Identifiers
Mindat Occurrence Record ID:49972
Long-form Identifier:1:3:49972:7
GUID (UUID V4):0
Localities for Franklinite in this Region
Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Buckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Hamburg Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Mill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Parker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Taylor Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Taylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Trotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Nearest other occurrences of Franklinite
0.1km (0.1 miles) ⓘTaylor Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.1km (0.1 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.2km (0.1 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.2km (0.1 miles) ⓘTrotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.2km (0.1 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.5km (0.3 miles) ⓘHamburg Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.6km (0.4 miles) ⓘParker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.8km (0.5 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.9km (2.4 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
4.0km (2.5 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
References
Palache(1935):47-48
Dunn(1995):Pt4:566-578.
 
and/or  
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