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    Description

    SPHALERITE "JEWEL"
    ZCA Pierrepont Mine, Pierrepont, St. Lawrence Co., New York, USA

    Sphalerite is one of the more frequently encountered ore minerals on the planet. In spite of that, it is only infrequently encountered in anything approaching decent crystals. In the vast proportion of cases it appears as black grains in some nondescript, multi-component rock. In addition, there is usually too much iron mixed in with it, for there to be any transparency at all, assuming that any crystals are large enough to get a light behind.

    The Upstate region of New York has been home to any number of profitable Zinc mines over the years. Along with the generally boring ore material that rightfully deserves to be turned into automobile grilles, there have been some very occasional examples found of what Sphalerite crystals can be. The best are transparent, sharply defined and large enough to be viewed without a microscope. This little jewel meets all of those criteria and goes the extra mile by being both nicely twinned AND very close to being a "floater" type, showing almost no points of attachment to whatever fissure wall it grew next to. Backlighting shows it to be flawlessly transparent and honey-gold in color. The super-sharp faces range from simple, glassy planes to ones "dusted" with metallic black Hematite that serve to camouflage the transparency of the interior. It is in pristine condition.
    Overall measurements: 1.312 x .937 x 1.03 inches (3.1 x 2.4 x 2.6 cm). Offered at no reserve.

    Provenance: Williams Minerals [Hoppel Catalog # D0821]

    [Scale: 1 inch, with mark at 1 cm]


    Condition Report*: Condition report available upon request.
    *Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. All lots are sold "AS IS" under the Terms & Conditions of Auction.

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    Auction Info

    Auction Dates
    June, 2013
    2nd Sunday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
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