Calcite with Marcasite (unusual style)

Joplin Field, Tri-State Dist., Jasper Co., Missouri, USA
Ex. Bill and Anne Cook
Cabinet, 13.1 x 9.3 x 3.0 cm
Start Time: 04/18/2024 7:00:00 pm (CDT)
End Time: 04/25/2024 6:36:00 pm (CDT)
Auction Closed
Winning Bid: $50

Item Description

Rare and unusually shaped large calcite from the well-known Joplin Field, Missouri of the of the historic Tri-State District. The striking, sculptural, intergrown, blocky, flattened rhombohedrons are called "stairstep calcite" due to their unique form. The transparent, light gray rhombs have bright satin luster. The rich peppering of tiny included marcasite crystals adds much character. This is a cleavage slab. The Joplin Field is famous for outstanding calcite scalenohedrons, twins, doubly terminated crystals, rhombohedrons and clusters, including very large crystals up to 60 cm. See the 2017 Mineralogical Record Tri-State issue, Vol. 48, No. 2. Ex Bill and Anne Cook Collection, well-known Ohio collectors. Bill was Adjunct Curator of Mineralogy at the Cleveland Museum of Natural History for many years, and Anne was inducted into the Micromounters' Hall of Fame in 2019. Rare and excellent large calcite example of this uncommon style included with marcasite.

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Bidding History

Bid Amount Bid Time
$50 * 04/25/2024 6:32:55 pm (CDT)
$50 * 04/25/2024 6:32:55 pm (CDT)
$45 04/25/2024 6:28:45 pm (CDT)
$40 04/25/2024 6:28:45 pm (CDT)
$25 04/21/2024 5:57:17 pm (CDT)
$20 04/21/2024 5:57:17 pm (CDT)
$10 04/20/2024 12:12:19 pm (CDT)
* Proxy Bid Battle: In the event of two customers inputting matching proxy bids, the leading bid goes to the earliest of the two proxy bids. Tie winners are shown in bold.