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    Description

    Very Rare Gemstone: Scheelite - 59.48 Ct.
    Natas Mine, Natas Farm 220, Gamsberg Area, Khomas Region, Namibia

    It is surprising how many carats of Scheelite can be packed into a moderately large gemstone. It has something to do with the high density of the material (roughly twice as heavy as the same volume of Quartz, for example) due to Tungsten being an essential component. Transparent crystals of Scheelite are quite rare, with only a few localities producing no more than a handful of specimens. The Natas Mine in Namibia has produced a small number of fine Scheelite crystal specimens, most not of cutting quality, but a small number furnished facet grade material of exquisite transparency and color. A prime example of just such material is this enormous square cushion gem that weighs just under 60 carats. The cognac coloration is quite attractive and coupled with the high R.I., and great dispersion, this gem is a standout in any group and the size of the stone places it in the same category as the "magnificent" example featured under Scheelite on the Gemdat.org website. Louis Seiler, of Walvis Bay, Namibia, cut this very rare and exceptional gemstone from rough found in 1997. It fluoresces white in SW-UV.
    Measurements: 17.60 x 17.15 x 13.50 mm, 59.48 cts.
    Offered at no reserve.

    Provenance:
    Rainbow of Africa Collection


    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 Dates
    October, 2015
    15th Thursday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
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