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4 specimens found
1 |

Magnetite -Cubic
stock #18.1-268
ZCA Mine number 4, Balmat, Balmat-Edwards District, St. Lawrence, Co.
New York, United States
3.9 x 3 x 2.2 CM (miniature)
price: $380
Dec 2018

Ex. New York State Museum collection specimen with especially sharp, fine crystals. The cubic habit Magnetites from Balmat are renowned as unique in the mineral world. This is a superb specimen with sharp, complete and lustrous crystals. Very few of these are in such clean condition and the form of this is especially distinct. Most cubes show the stepped cubic striations and growth hillocks clearly.
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.
Sphalerite- Gem crystal
stock #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: $110
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.
Cubic Magnetite with Sphalerite, talc etc.
stock #9.1-083
ZCA Mine number 4, Balmat, Balmat-Edwards District, St. Lawrence, Co.
New York, United States
6.4 x 4.3 CM (small cabinet/ large miniature)
price: $250


The best USA magnetites are these unique cubic crystals. Good ones are not common. This example has lusterous and fine crystals that reach 1.4 CM. Displayable from several sides, one face has a contrasting Talc that sets off the dark Magnetite well. Far better than average condition, but with damage at the outer edges and contacts/chipping can be seen. Since the magnetite here is exceptionally fragile, this degree of damage is actually very minimal, and the piece is a fine example of a rare form and a classic occurance. Ex. Ernie Schlicter, 1970's vintage.
4 specimens found
1 |