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    Description

    RUBELLITE & QUARTZ
    Jonas Mine, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil

    The process of crystal growth in pegmatite 'pockets' involves many variables. Sometimes a pocket will contain only one crystal of a particular mineral. Sometimes, as is the case with this specimen, there will be many, scattered in profusion over a broad expanse of matrix. This haphazard grouping of magenta prisms is complexly interwoven with a matrix of Lepidolite Mica and white Cleavelandite blades. The largest Tourmaline appears to be "bent" as others have been fractured during growth and subsequently "healed" by continued growth. These Tourmalines measure a little over 2.76 inches (7 cm) in length and some 0.63 inches (1.6 cm) in diameter. As noted above, sometimes there is only a single crystal of one mineral, while other minerals show up in large quantities. Here, the solitary member of the mix is a doubly-terminated and colorless Quartz crystal that is approximately 1.57 inches (4 cm) long and quite transparent. All Tourmalines show the uniform cranberry red color consistent with Jonas material from the same pocket that produced "The Rocket" and other world-class specimens. Many of the numerous Tourmalines are terminated and their luster varies from glassy to slightly 'frosted'- a common occurrence with this many crystals in a group. This piece is in fine to excellent condition with a few broken crystals.
    Overall measurements: 5.4 x 3.3 x 3.3 inches (13.7 x 8.3 x 8.5 cm)

    Illustrated: Fong/Walker, M., Neumeier, G., & Walker, J. (Eds.). (2015). The World of Tourmaline: The Gerhard Wagner Collection. Dallas, Texas: Ivy Press. Page 115.
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    Estimate: $20,000 - $30,000.

    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, 2015
    7th Sunday
    Bids + Registered Phone Bidders: 0
    Lot Tracking Activity: N/A
    Page Views: 733

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