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Home / Art & Antiques / 2013 Oct 19-20 Nature & Science Signature Auction - Dallas Auction #5141 / Lot #53161
    LOT #53161  | 
    Sold on Oct 20, 2013 for: Sign-in or Join (free & quick)

    TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ...

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    • Minerals:Cabinet Specimens, TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ...
    • Minerals:Cabinet Specimens, TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ...
    Minerals:Cabinet Specimens, TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ... Minerals:Cabinet Specimens, TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ... Minerals:Cabinet Specimens, TOURMALINE. Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil. ... View More >
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    Description

    TOURMALINE
    Sapo Mine, Ferruginha, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil

    In 1997, a series of three pockets were uncovered in the Sapo Mine that disgorged some very large and colorful sprays of blue and pink Tourmaline. One of those pockets produced crystal groups referred to as "shaving brushes" for their obvious resemblance to that antiquated grooming aid. This "shaving brush" is the second largest of those found in that pocket. The central core and base of each crystal begins with a pink color that shifts for a short distance to colorless before assuming a blue-green tint continuing almost to the termination. At the termination, the blue-green color lightens suddenly to a much lighter pastel tint that makes the pyramidal terminations appear to have been 'dusted' with powdered sugar or snow. The group consists of numerous elongate prisms arranged in a sub-parallel group rising dramatically to a tapered finale. There are a few crystals along the sides without terminations but overall condition of this historic group is excellent. Comes with a custom acrylic base.
    Overall measurements: 13 x 5 x 4 inches (33 x 12.7 x 10.2 cm).

    Provenance: Western Minerals [Hoppel # D1874]

    References:
    Menezes, Luis. "The Sapo Mine." The Mineralogical Record July-August 2009: Vol. 40, No. 4, pp. 273-292.
    Walker, James. "Lot 87085 Tourmaline." Heritage Nature & Science Auction #5110 Catalog June 2, 2013: pp. 81.

    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
    October, 2013
    19th-20th Saturday-Sunday
    Bids + Registered Phone Bidders: 2
    Lot Tracking Activity: N/A
    Page Views: 13,029

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