Calcite and Quartz Geode in Fossil Bivalve Shell

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Timed

Fine Arts, Antiques and Jewelry Online Auctio...

By Aspire Auctions

Aug 29, 2025 - Sep 6, 2025

Set Reminder 2025-08-29 10:00:00 2025-09-06 20:00:00 America/New_York Bidsquare Bidsquare : Fine Arts, Antiques and Jewelry Online Auction https://www.bidsquare.com/auctions/aspire-auctions/fine-arts-antiques-and-jewelry-online-auction-20458
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• Lot Description
  An extraordinary natural specimen featuring a fossilized bivalve (clam) shell that has been geologically transformed into a geode. The interior cavity reveals a vibrant lining of golden calcite and transparent quartz crystals radiating from the inner walls. The exterior retains the detailed ribbed texture of the original fossil shell, offering a fascinating blend of paleontology and mineralogy.

  Condition

  Intact crystal interior with only minor natural weathering on exterior shell surface.