Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

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Augite (Var: Jeffersonite) : Ca(Mn,Zn,Fe)Si₂O₆
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Jeffersonite (Aegirine-Augite) crystal group 4.5 x 4 x 3.5 inches (12 x 10 x 9.5 cm). Largest crystal is approximately 1 x 3.5 inches. Ex Nick Zipco - 1970's. Photographed by John Cianciulli using e-4 Ektachrome.
© John Cianciulli	Photo ID: 18136 View Count: 743
Augite (Var: Jeffersonite) : Ca(Mn,Zn,Fe)Si₂O₆
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA 11 x 6.3 x 4.3 cm. This specimen is actually quite attractive for this augite varietal that has some aesthetics of geometry to it. It is sharply doubly-terminated, and not cracked and pasty as these tend to get. Jeffersonite is a zincian manganoan variety of augite, a clinopyroxene. Originally described from Passaic Pit (Marshall Mine; Passaic ...
© Rob Lavinsky	Photo ID: 225083 View Count: 41
Cerussite : PbCO₃
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA FOV 4.3 x 4.8 mm. Collected by Modris B. ca 1995. This is just a representative sample of cerussite from the Passaic pit. The matrix is altering galena. Stereo child photo.
	Photo ID: 201838 View Count: 41
Chalcophanite : (Zn,Fe,Mn)Mn₃O₇·3H₂O
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA This is a 3x3x4 inch specimen from Passaic Pit, Franklin, New Jersey in the Charles Creekmur collection.
© Charles Creekmur	Photo ID: 17769 View Count: 375
Genthelvite : Zn₄Be₃[S\|(SiO₄)₃], Galena : PbS
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA A large transparent genthelvite crystal with complex faces in galena matrix from the 'pyroxene' zone, footwall outcrop, East vein, Sterling ore body. Collected by, and in the collection of, Mark Boyer (circa September, 2002). Crystal is 1.5 cm by 1 cm. Compliments of the Franklin Mineral Museum.
	Photo ID: 10744 View Count: 648
Genthelvite : Zn₄Be₃[S\|(SiO₄)₃]
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA A fluorescent photograph of two genthelvite crystals (larger is 1 cm by 2 cm, smaller is 0.5 cm by 0.5 cm) in matrix. Exposed under long wave UV using haze filter. Color of light gray-green is accurate. Specimen collected by, and in the collection of, Mark Boyer (circa September 2002) in the Passaic Pit (footwall outcrop of East vein, Sterling ore ...
© Franklin Min Mus	Photo ID: 10746 View Count: 645
Genthelvite : Zn₄Be₃[S\|(SiO₄)₃]
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Two opaque genthelvite crystals in matrix from the 'pyroxene' zone, footwall outcrop, East vein, Sterling ore body. Collected by, and in the collection of, Mark Boyer (collected circa September 2002). The larger, twinned crystal is 1 cm by 2 cm; the smaller single crystal is 0.5 cm by 0.5 cm. Compliments of the Franklin Mineral Museum.
© Franklin Min Mus	Photo ID: 10745 View Count: 574
Graeserite : (Fe³⁺,Ti)₄Ti₃AsO₁₃(OH), Calcite : CaCO₃
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA The world's largest Graeserite crystal and the one and only specimen of this species from the Franklin District (Ref.: Verbeek, E. et al (2006) Mineral News: 22(9): 8-9). The Crystal is black, lustrous, and tabular. It is 3.8 x 3.7 x 0.3 cm in size and is in a matrix of calcite, some of which is salmon-orange in colour. Associated species include ...
© SHMM	Photo ID: 113713 View Count: 362
Hemimorphite : Zn₄[(OH)₂\|Si₂O₇] · H₂O
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Large crystals of white hemimorphite up to 15 mm in a crust-like layered formation known by the miners as maggot ore. This is a well crystallized specimen of a highly sought after mineral from Franklin. With old label from C. Graeber. Overall size of mineral specimen: 6.5x5x2 cm. Size of individual crystals: 5-15 mm.
© 2001 John H. Betts	Photo ID: 1322 View Count: 412
Hemimorphite : Zn₄[(OH)₂\|Si₂O₇] · H₂O
	Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Sparkling white rosettes of colorless hemimorphite crystals covering one side of matrix. Cluster stands upright nicely without additional support. Ex. Earle Sullivan collection (Ct.). Overall size of mineral specimen: 7x7x4 cm. Size of individual crystals: 5-10 mm.
© 2002 John H. Betts	Photo ID: 4383 View Count: 364