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Auction Name: 2026 January 24 Minerals Showcase Auction

Lot Number: 48030

Shortcut to Lot: HA.com/29183*48030

Group of (2) Ulexite Specimens
West Baker Mine, West Baker, Kramer Borate deposit, Boron, Kern County, California, USA
11.2 x 9.7 x 3.8 cm (4.41 x 3.82 x 1.50 in)
10.6 x 8.9 x 5.2 cm (4.17 x 3.50 x 2.05 in)

Offered in this lot is a set of two fibrous, white to tannish Ulexite specimens that each radiate upward from a single point, almost resembling "mushrooms" or "clamshells." Both specimens come from the West Baker Mine, an older borate mine that is now covered by the dumps from another nearby mining operation.

From the collection of Daniel "Dan" R. Kennedy.
Ex. Jim and Dawn Minette 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. 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.

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