| | Description | |
| Type Locality: | Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA is the type locality for Franklinite | | Comments: | Prolific basic ore mineral. Manganese percentage varies markedly to isolated occurrences of jacobsite. | | Habit: | Octahedral, dodecahedral | | Colour: | Black | | UV Fluorescence: | None | | Quality of samples: | Excellent - world class for species or very significant. (!!) | | Rarity at site: | Extremely common | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Palache(1935):47-48; Dunn(1995):Pt4:566-578. | | Associated minerals: | |
| Associates: | Allactite
Alleghanyite
Andradite
Bustamite
Cahnite
Calcite
Clinohedrite
Copper
Cuspidine
Cyprine
Datolite
Epidote-(Pb)
Esperite
Friedelite
Gageite
Gahnite
Ganophyllite
Glaucochroite
Hardystonite
Hedyphane
Hendricksite
Hodgkinsonite
Larsenite
Leucophoenicite
Manganberzeliite
Margarosanite
Rhodonite
Sclarite
Sphalerite
Tephroite
Turneaureite
Vesuvianite
Willemite
Zincite
| | Data | |
| Mineral Data: | Click here to view Franklinite data | | Locality Data: | Click here to view Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA | | Photo Gallery | View Gallery (13 photos) |
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