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    Description

    RARE GEMSTONE: BENITOITE - 1.72 CT
    Dallas Gem Mine (Benitoite Mine), San Benito Co., California, USA
    Classic example of this ultra-rare gemstone - the unique source of the California state gem in San Benito County is effectively gone: it has been mined out. Once hastily identified as Sapphire because of its blue coloration, Benitoite is actually a rare barium titanium silicate with a unique crystal habit: hexagonal - dipyramidal. Because it has a high refractive index with excellent dispersion, well facetted gemstones have a bright "blue diamond" sparkle as seen in this gem. This stone has some color zoning from colorless to light sapphire blue but the excellent faceting has produced an overall even sapphire blue appearance when viewed table up. There are some very minor inclusions that have no particular effect on its appearance. Benitoites are ultra-rare in the 1-carat or larger size - this pear shaped gem is large at 1.72 carats and it measures 10.3 x 6.5 mm. It is in excellent condition.


    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
    May, 2012
    20th Sunday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
    Page Views: 1,454

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