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43 specimens listed
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Quartz v. Herkimer
stock #18.1-292
Middleville, Herkimer County
New York, United States
8.3 x 6 x 7.1 CM (cabinet)
price: $250
Worldwide mix summer

A blocky matrix with druzy Quartz hosting several very clear, undamaged Herkimer type Quartz. The diamonds are mostly colorless but a few are the golden type, and all are very clear and lustrous. The largest crystal has a very big internal bubble cavity that holds unusual worm like petroleum inclusions. These are vividly fluorescent and have three distinct colors. A fine and impressive cabinet piece that is especially interesting under the microscope.

Graphite - very fine, sharp crystals
stock #18.1-285
Olmsteadville, Minerva Township, Essex County
New York, United States
2.9 x 2.1 x 2 CM (thumbnail)
price: $525
Worldwide mix summer

A superb rosette crystal cluster of Graphite standing on matrix. At 1.1 cm across and with bright metallic luster this is a killer thumbnail in fine condition. Magnification finds one tiny edge contact but for this delicate mineral this is in amazing condition. Textbook form, and with fine esthetics, Graphite is not a rare mineral but well formed lustrous crystals are very rare. From finds in the late seventies, an excellent US classic specimen.

Sphalerite -gemmy prismatic
stock #18.1-275
ZCA Mine number 4, Balmat, Balmat-Edwards District, St. Lawrence Co.
New York, United States
1.6 x 1. x 1 CM (thumbnail)
price: $200
Worldwide mix summer

Small thumbnail of sharp, glassy transparent crystals of Sphalerite from New York. Textbook forms and with bright luster, the crystals are in fine condition. A modern northeastern US classic locale, these Sphalerites are choice little gems.

Titanite var Sphene - Classic New York
stock #17.1-804
Diana Township, Lewis County
New York, United States
7.9 x 4.4 x 2.8 CM (cabinet)
price: $220
Spring update

Vintage specimen with old EB Underhill label. Underhill donated his collection posthumously to Amherst College in 1888, so this piece and his handwritten label is older than that. Not many of these labels survive today and the Sphene specimen is also a very rare example from a classic locale. I have never seen another quite like this, the luster is very bright on the slender dark gem clear crystals in the protected vug. Microscope reveals tiny Clinochlore and what may be colorless Fluorites, not known from this locale. A nice slice of mineral history.

Fluorite -Classic New York cube
stock #AX-16-200
Penfiled Quarry, Penfield, Monroe County
New York, United States
3.2 x 2.2 x 3 CM (small miniature/ large thumbnail (toenail))
price: $650
Spring update

Sharp purple-blue cube of Penfield NY. Fluorite, with both glass clear and lightly frosted faces. A much sought after locality, these few Fluorites are highly prized. Totally transparent and in far above typical condition, this had been in the Francesco Spertini collection since the sixties. With magnification some interesting growth structures can be seen on faces and inside the cube. The display side is clean and damage free but the underside has a cleave and matrix contact. That underside can be seen through the clear crystal but is easily hidden as it is the obvious base or bottom of the crystal. A good value, these are typical very costly when available.

SOLD Sphalerite- Gem crystal
stock #SOLD 18.AX-161
ZCA Mine number 4, Balmat, Balmat-Edwards District, St. Lawrence Co.
New York, United States
1.2 x .8 x .4 CM (thumbnail)
price: $0
Spring update

A small, gem clear single crystal of amber colored Sphalerite. Complete and undamaged from the remarkable finds decades ago at the ZCA (Zinc Corp. of America) mine in Balmat, NY. A "textbook quality" crystal, despite the small size this has good eye-catching luster and color.

Dravite- Classic locale
stock #AX-30-071
Gouverneur, St. Lawrence County
New York, United States
4.3 x 3.8 x 2.2 CM (miniature)
price: $850
Spring update

A stunning classic Dravite specimen with honey brown lustrous crystals nicely exposed on matrix. Ex Carter Rich and Bill Hladysz, this is in remarkable condition, with only contacts on the back and one side but no damage at all. These old Gouverneur specimens (St Lawrence County, NY) rarely have such sharp form, warm color and strong esthetics.

Fluorite in Dolomite cast
stock #17.1-696
Walworth Quarry, Walworth, Wayne County
New York, United States
3.1 x 2.8 x 1.7 CM (small miniature/ large thumbnail (toenail))
price: $160
Pre Holiday 2017

A single gem-clear cube of Walworth Fluorite is perched perfectly inside a thin Dolomite cast. Walworth Fluorites are classic but not often available as few are found each year. This is even more unusual as the thin shell or "cup" is an uncommon matrix composed of tiny Dolomte crystals. The Fluorite is clean, undamaged and colorless. This could trim to thumbnail size if desired.