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    Malyshevo mine, Izumrudnye Kopi, Ekaterinburgskaya Oblast', Middle Urals, Russia

    Is there anyone who is not acquainted with the color change properties of Alexandrite? Almost no other gem material has such a high "brand" recognition factor as this variety of Chrysoberyl. In spite of such high recognition, few members of the general public are aware that this is chiefly due to huge amounts of synthetic material being produced and marketed annually. The percentage of natural Alexandrite in the marketplace is incredibly small, particularly when the possession of a good color change is a criterion. Traditionally, the best material has come from mines near Ekaterinburg in the Urals where it occurs along with Emerald in black mica schist. Crystals are almost always twinned, as is the case with this specimen. It presents as a simple "V" twin overlaying a number of secondary crystals exposed by mechanical means from the black, Biotite schist matrix. The color change is quite pronounced, varying from a wine purple under incandescent lighting to a bluish-green color best seen in outdoors in daylight. The main crystal is ~ 1 inch (2.5 cm) in length and it shows good, glassy luster and no damage.
    Overall measurements: 2 x 1.5 x 1 inches (5.1 x 3.8 x 2.5 cm). Offered at no reserve.

    Provenance: Rocksmiths [Hoppel Catalog # D0059]

    [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. Heritage does not guarantee the condition of frames and shall not be liable for any damage/scratches to frames, glass/acrylic coverings, original boxes, display accessories, or art that has slipped in frames. All lots are sold "AS IS" under the Terms & Conditions of Auction.

    Auction Info

    Auction Dates
    June, 2013
    2nd Sunday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
    Page Views: 2,380

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