"Mineral Classics" - Dealing in fine minerals for over 30 years !

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Minerals of Franklin and
Sterling Hill, New Jersey
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Page 1

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No. 268
Chalcophanite -
$100

Small black trigonal Chalcophanite crystals on Calcite matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.5 x 4.1 x 1.3 cm.

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No. UK3
Magnesiochlorophoenicite -
$150 (SOLD)

Small white sprays of Magnesiochlorophoenicite on Calcite matrix.

Locality: 935 Stope, 700 Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 5.2 x 5.2 x 3.6 cm.

Collected: 1973 - ex Helen and Ewald Gerstmann Collection.

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No. HanWillAndPhlo1FR
Epidote-Pb (formerly Hancockite) -
$125

Good micro crystals with Willemite, Andradite and Phlogopite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 3.0 x 1.7 x 2.3 cm.

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No. 384
Friedelite -
$125

Excellent, sharp, lustrous, platy yellowish color crystals on Willemite/Franklinite ore.

Locality: 1180 Pillar, 700’ Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.7 x 2.1 x 2.3 cm.

Ex - Parker Minerals Specimen

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No. 31/335
Rhodonite with Andradite and Franklinite -
$850

Excellent sharp, pink crystals of Rhodonite with greenish Mn-Al-rich Andradite and black Franklinite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 9.1 x 6.0 x 2.5 cm.

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No. ClinoMnAxRho1
Clinohedrite -
$350

A great multi-association specimen with Clinohedrite, Hendricksite, Axinite-(Mn) (formerly Manganaxinite), Rhodonite, Willemite, Franklinite and Friedelite !

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.8 x 3.7 x 2.6 cm.

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No. WilFluorQua1SH
Willemite -
$100

An attractive Willemite specimen with rarely seen Fluorite association and some minor Quartz.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.0 x 3.1 x 2.5 cm.

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No. ZincChloro1SH
Zincite with Chlorophoenicite -
$375

This piece has some very unusual yet attractive crystals of yellow to yellow-orange Zincite (one of which truly resembles a fan-shaped spray of Legrandite) with rare balls of Chlorophoenicite, plus white needles of an unknown mineral (possibly Sussexite?).

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 5.7 x 3.3 x 2.2 cm.

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No. Monohy/Rhodon1SH
Monohydrocalcite -
$375

Superb quality crystallized balls of Monohydrocalcite with pink Rhodonite on a brownish Friedelite veinlet.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 6.3 x 4.3 x 4.1 cm.

Collected: 1973 - ex Ewald Gerstmann Collection.

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No. Sark2SH
Sarkinite -
$150

This piece has a lot going on. There are some brownish-orange Sarkinite crystals with a blue-green mineral (most likely Serpierite or Rosasite), an unknown olive-green mineral.

Locality: 1000 Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 6.5 x 6.0 x 1.9 cm.

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No. Sark1SH
Sarkinite -
$595

Attractive clusters of pinkish-brown Sarkinite with blue-green Rosasite (possibly Serpierite) on typical Willemite-Calcite-Franklinite ore.

Locality: 1200 Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 8.1 x 5.5 x 3.0 cm.

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No. Todor/Wood1SH
Todorokite and Woodruffite -
$445

A very nice specimen consisting of blackish fibrous, plumose spherical aggregates of Todorokite and blocky black Woodruffite plus bladed white/yellow Calcite and some small Hemimorphite sprays.

Locality: "Mud zone" in the Passaic Pit, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.8 x 3.7 x 3.0 cm.

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No. FriedMnAxRho1F
Friedelite -
$150

This specimen hosts a dark brown "veinlet" of Friedelite with yellow Axinite-(Mn) (was called Manganaxinite for years) and pink Rhodonite. There are also some very small white crystals on the specimen that fluoresce a light orange color under SW UV light.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 3.2 x 2.9 x 2.7 cm.

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No. Arag1SH
Aragonite -
$50

Small, fine white crystallized Aragonite from Sterling Hill. Fluoresces pale peachy-pink in LW (phosfluoresces green).

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 5.2 x 5.2 x 3.6 cm.

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No. ZincFluoBor1SH
Zincite with Fluoborite -
$50

Nice red lustrous Zincite with white Fluoborite.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 2.5 x 2.2 x 1.1 cm.

Collected circa 1929
ex Ewald Gerstmann Specimen

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No. 381.4
Willemite -
$30

Excellent prismatic Willemite crystals on Calcite matrix

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 2.0 x 1.8 x 1.0 cm.

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No. Fried2SH
Friedelite -
$165

Attractive brownish Friedelite crystals with minor pale pink crystals of an unknown species which fluoresces pale yellow-green and phosfluoreces orange under SW (possibly "beta-Willemite"?).

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 2.9 x 1.2 x 1.0 cm.

ex Jim’s Gems specimen.

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No. 239/4F
Franklinite -
$150

This piece features a few nice, black Franklinite octahedra on contrasting white Calcite matrix. One of the crystals is rather sharp for the size.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 3.7 x 2.6 x 1.8 cm.

Largest Crystal: 0.5 x 0.4 cm.

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No. FluorAp1F
Fluorapatite - now Apatite-(CaF) -
$150

This piece is from the 1983 find that produced small colorless crystals of Apatite-(CaF) with brown Friedelite on translucent green Sphalerite matrix. A good representative specimen of the material.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 5.8 x 4.0 x 2.5 cm.

Collected: 1983.

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No. Will/Han
Willemite with Epidote-(Pb) (formerly Hancockite) -
$135

A great specimen of gem/gemmy Willemite with the newly renamed Epidote-(Pb) (formerly called Hancockite) and a mineral with a beautiful red-orange fluorescence (possibly Axinite-Mn).

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.9 x 2.3 x 1.8 cm.

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No. StilEpCal1SH
Stilbite -
$85

Here we have an attractive specimen consisting of white Stilbite crystals with rhombic Calcite and minor grey-green Epidote. The piece comes with a couple of labels, one of which is from Franklin Mineral Museum Inc, and the other with no attribution.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.9 x 3.3 x 1.0 cm.

Collected: 1976 by MM Group according to one label.

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No. McGov2SH
McGovernite -
$150

Attractive bronze color sprays on Franklin ore matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.2 x 1.9 x 0.6 cm.

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No. Moly-(2H)-2F
Molybdenite-(2H) -
$125 (SOLD)

A very nice well-formed, hexagonal crystal of Molybdenite-(2H) with Pyroxene and Calcite matrix.

Locality: Buckwheat mine, Franklin, Sussex County, New Jersey

Specimen Size: 6.1 x 2.9 x 2.8 cm.

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No. Zinc1FR
Zincite -
$50 (SOLD)

This piece features a patch of bright orange Zincite on Franklin ore matrix.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 6.0 x 2.5 x 2.2 cm.

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No. ZincHodHeta1SH
Zincite -
$170

This piece features bright yellow-orange color Zincite with pink Hodgkinsonite and black Hetaerolite. I know this is the kind of material where one would expect to see Gageite, but I cannot seem to find any of it on here. Nonetheless, it is a very attractive combo specimen !

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.0 x 1.9 x 1.8 cm.

ex Howard Minerals Specimen.

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No. Py2SH
Pyrite -
$35

Micro, sparkling Pyrite crystals on Calcite matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.7 x 3.8 x 3.0 cm.

ex Helen and Ewald Gerstmann Collection.

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No. 137a
Epidote-(Pb) (formerly Hancockite) -
$150

A nice Epidote-(Pb) specimen which was called Hancockite for decades which is associated with Willemite and Andradite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 2.9 x 2.9 x 2.0 cm.

ex R. B. Gage Collection.

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No. RhodonChlorWill1F
Rhodonite with Chlorophoenicite -
$150

Pink Rhodonite associated with small white Chlorophoenicite "balls" and some small brownish sphere-shaped aggregates of Willemite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 5.4 x 3.6 x 2.5 cm.

ex Helen and Ewald Gerstmann Collection.

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No. Manganax/Rhodon1F
Axinite-(Mn) (formerly Manganaxinite) -
$150

Bright yellow Axinite-(Mn) (was called Manganaxinite for a long time) crystals associated with pink Rhodonite on/in Franklin ore. My father’s note on the piece stated that it came from the historic Parker Shaft.

Locality: Parker Shaft, Franklin, Sussex County, New Jersey

Specimen Size: 8.3 x 5.0 x 1.7 cm.

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No. Han/Will1F
Epidote-(Pb) with Willemite -
$100

A nice combo specimen of Epidote-(Pb) which was known by the name Hancockite for years associated with Willemite creating somewhat of a slickenside surface.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.7 x 4.3 x 1.4 cm.

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No. 333
Friedelite -
$140

A nice association specimen consisting of brown Friedelite with Aragonite or Calcite. On the specimen there is also an unknown mineral which fluoresces a pale yellow-green color under SW and phosfluoresces orange (possibly "beta-Willemite"?). My father’s label says that the piece is from the Parker Shaft. The piece comes with a few additional labels as well.

Locality: Parker Shaft, Franklin, Sussex County, New Jersey

Specimen Size: 3.7 x 3.3 x 1.2 cm.

ex T. Dolan Collection 1974.
ex Gouger Collection.
ex Parker Minerals specimen.

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No. Brand2SH
Brandtite -
$575

Superb, sparkling crystals of Brandtite on matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 8.5 x 3.9 x 1.1 cm.

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No. CalWillFluor1SH
Magnesiochlorophoenicite -
$100

A nice specimen combining Calcite, Willemite and Fluorite.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 7.3 x 6.8 x 3.1 cm.

ex Ewald Gerstmann Collection.

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No. NatSilChalco1SH
Native Silver -
$125 (SOLD)

A good representative specimen of Native Silver with minor Chalcocite and Malachite.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 6.5 x 3.7 x 2.0 cm.

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No. JEM 564
Zincite -
$50 (SOLD)

Here we have an attractive specimen of dark red Zincite with Calcite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.9 x 3.8 x 3.3 cm.

ex John E. McDonald Collection.

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No. Monohyd/Cal1SH
Monohydrocalcite -
$295

Small micro white "balls" of Monohydrocalcite sit atop Calcite matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.9 x 3.3 x 2.2 cm.

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No. WillFrank1SH
Willemite -
$15

A nice reference Willemite in Franklin ore.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.5 x 2.8 x 1.7 cm.

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No. Will1Fr
Willemite -
$50 (SOLD)

This piece features a small vug of lustrous, prismatic Willemite crystals on matrix.

Locality: Buckwheat Dump, Franklin, Sussex County, New Jersey

Specimen Size: 3.2 x 1.5 x 1.3 cm.

Collected: 1975 - ex Pat Gross Collection.

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No. Will2Fr
Willemite ("Troostite") -
$150 (RESERVED)

This piece hosts a very attractive, classic, somewhat sharp, brownish-tan, doubly-terminated crystal of “Troostite” on Franklinite/Willemite/Calcite ore.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.1 x 3.2 x 2.1 cm.

Largest Crystal: 2.2 x 1.4 cm.

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No. 239/1SH
Franklinite -
$95

This piece hosts small but attractive, excellent quality sharp, bright crystals of black Franklinite with Willemite on matrix. According to the original label, this was a one time find at Sterling Hill.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 8.5 x 4.6 x 4.0 cm.

ex Frank Z. Edwards Collection.

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No. 381/3
Willemite -
$200

A beautiful specimen consisting of rich green color Willemite - with brilliant fluorescence ! An old specimen, possibly from the Parker Shaft.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 5.9 x 4.7 x 2.3 cm.

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No. FrK590NJ
Franklinite -
$100

This piece hosts several excellent, relatively sharp, black crystals of Franklinite on Calcite matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 5.2 x 5.2 x 3.6 cm.

Collected: 1973 - ex Ewald Gerstmann Collection.

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No. Rhodo1F
Rhodonite -
$300

This piece hosts micro crystals of pink Rhodonite with micro Cahnite (according to the label, but I cannot find it).

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 5.0 x 3.4 x 1.1 cm.

Collected: circa 1927.
ex Kuenstler Collection.
ex Frank Z. Edwards Collection.

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No. Pharm1FR
Pharmacolite -
$250

This piece hosts several white sprays of Pharmacolite with green Rosasite staining on Calcite and Willemite matrix. There is a small, thin, prismatic blue/purple color crystal on the specimen that I cannot identify, possibly Sapphire ??

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 11.0 x 6.6 x 1.4 cm.

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No. Fluobor2SH
Fluoborite -
$875

This wonderful Fluoborite specimen consists of excellent small white crystal sprays of Fluoborite with black, lustrous Hetaerolite on Franklin ore matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 6.3 x 5.9 x 3.5 cm.

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No. Will2SH
Willemite -
$150 (SOLD)

This hefty piece of Franklin ore hosts crystallized vugs of superb gem Willemite crystals with Calcite.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 7.8 x 6.9 x 5.9 cm.

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No. Will1SH
Willemite -
$300

There are some excellent gem Willemite crystals in this hefty piece of Franklin ore .

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 8.2 x 6.5 x 5.3 cm.

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No. Chalco1SH
Chalcocite -
$100 (SOLD)

This specimen hosts a plethora of Copper species including Chalcocite, Chalcopyrite, Malachite and possibly one other Copper sulfide.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 7.8 x 5.2 x 3.3 cm.

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No. Alleg1FR
Alleghanyite (multi specimen set) -
$150

First let me say that there are 6 pieces in this lot, though they are not all pictured. We only photographed the two best pieces, as the others are smaller and less significant. The two best pieces feature crystallized and massive Alleghanyite, and the smaller ones features small amounts of Alleghanyite as well. This material was X-rayed at Harvard and came from the David Cook Collection.

Locality: Franklin, Sussex County, New Jersey

Largest Piece: 2.0 x 1.1 x 0.6 cm.

ex David Cook Collection.

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No. Torr1FR
Torreyite -
$60 (SOLD)

A nice micromount specimen of white Torreyite associated with minor brownish-black Pyrochroite crystals and orangish Zincite(?).

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 0.8 x 0.5 x 0.5 cm.

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No. Spinel 1 Franklin
Spinel -
$300

An historic and rather attractive Franklin Spinel specimen with a sharp, aesthetic, dark bluish-purple octahedron on matrix. The specimen comes original George White and Lazard Cahn (Cahnite) labels !

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 6.7 x 4.5 x 4.3 cm.

Spinel Crystal: 0.8 cm.
ex George White Collection.
ex Lazard Cahn Specimen circa 1945.

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No. FluoBorZincRoe1FR
Fluoborite with Roeblingite -
$175

This is a very nice specimen of white Fluoborite sitting atop rich red Zincite with minor light pink Roeblingite (fluoresces red under SW). There is also another spot on this piece right next to the Roeblingite which fluoresces orange, but I cannot confirm if this is also Roeblingite, or another mineral.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 2.2 x 1.7 x 0.9 cm.

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No. 239/2F
Franklinite -
$100

An excellent, relatively sharp, modified black octahedron of Franklinite with minor Calcite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 1.7 x 1.6 x 1.4 cm.

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No. Skut1FR
Skutterudite -
$75 (SOLD0

Fine, sharp, silver colored crystals of Skutterudite on matrix.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 2.7 x 2.4 x 1.6 cm.

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No. Arag1
Aragonite -
$25 (SOLD)

Small gemmy, colorless sprays of Aragonite on matrix.

Locality: 1040 Stope, 410 Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 1.7 x 1.6 x 1.5 cm.

ex Pat Gross Collection.

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No. Py1SH
Pyrite -
$50 (SOLD)

Excellent, lustrous, micro crystals of Pyrite on matrix.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 4.2 x 3.9 x 1.1 cm.

ex Pat Gross Collection.

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No. Hodgkin/Fr1F
Hodgkinsonite -
$300

A fine specimen featuring micro crystals of pinkish Hodgkinsonite with black Franklinite. There is also a small vug with Willemite "needles" and a tiny amount of Tephroite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.1 x 3.6 x 2.6 cm.

ex Frank Z. Edwards Collection.

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No. Rhodo/Cal1F
Rhodochrosite -
$125 (SOLD)

Small Rhodochrosite crystals with vein of Calcite on matrix.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 6.8 x 5.0 x 2.2 cm.

ex Jim's Gems Specimen.

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No. MgClor2F
Magnesiochlorophoenicite -
$475

Small white sprays of Magnesiochlorophoenicite with Chlorophoenicite on Willemite matrix.

Locality: 750 Foot Level, (pillar 859), Sussex County, New Jersey

Specimen Size: 4.9 x 3.6 x 1.3 cm.

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No. Rhodon2F
Rhodonite -
$200

This piece exhibits some excellent little pink Rhodonite crystals on matrix. Very attractive under magnification.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.7 x 4.3 x 2.3 cm.

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No. Loll1F
Lollingite -
$125

This piece hosts a "nest" of small, rare, lustrous, brassy-silver colored needles of Lollingite embedded in Pyrite with Sphalerite, Calcite and Franklinite.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.9 x 4.2 x 2.6 cm.

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No. FluorAp2FR
Apatite-(CaF) (formerly Fluorapatite) -
$150

A gorgeous, well-formed, prismatic bluish Apatite-(CaF) crystal in whitish-grey Calcite matrix.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.2 x 2.3 x 1.2 cm.

Apatite Crystal: 0.6 cm.

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No. PyAur1SH
Pyroaurite -
$100 (SOLD)

This specimen hosts some small yellowish color platy crystals of Pyroaurite with yellow Calcite on Willemite. An interesting note about this species is that it was first discovered by Paul Desautels, the former mineral curator at the Smithsonian Institution.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 6.0 x 3.8 x 1.8 cm.

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No. Hem
Hemimorphite -
$40

Here we have a lovely little Hemimorphite specimen with white crystal "sprays" on matrix.

Locality: 1040 Stope, 340 Level, Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.8 x 2.1 x 1.2 cm.

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No. Sark3SH
Sarkinite -
$200

Sarkinite is a rare mineral to be sure. This piece hosts some small Sarkinite crystals sitting atop brilliant Franklinite crystals that are best viewed under magnification.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 3.0 x 2.0 x 1.1 cm.

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No. Cal1SH
Calcite -
$35

This piece has some gorgeous little gemmy Calcite crystals on massive Calcite matrix. I have not seen many gemmy Calcite crystals from Franklin in my experience.

Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey

Specimen Size: 7.2 x 3.3 x 3.1 cm.

ex Helen and Ewald Gerstmann Collection.

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No. FluorAp1FR
Apatite-(CaF) (formerly Fluorapatite) -
$250

A very showy and attractive specimen featuring a prismatic, semi-lustrous, dark blue-green color crystal of Apatite-(CaF) on Calcite matrix.

Locality: Franklin, Sussex County, New Jersey

Specimen Size: 4.0 x 2.7 x 2.1 cm.

Apatite crystal: 2.5 cm.