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1,000‑Pound Purple Geode, Mosasaur Skeleton and Rare Specimens Head to Auction Dec. 2

The Nature & Science sale at Heritage Auctions on December 2 features a single-consignor collection of fossils, meteorites, minerals and lapidary art — led by a 1,000‑pound purple geode and a mosasaur skeleton. Craig Kissick, Heritage's Vice President of Nature & Science, calls the grouping unusually high in both quality and variety. Full images and detailed lot descriptions are available on Heritage's website. Bidding opens Tuesday, December 2 at 10:50 a.m. CST.

01:59 AM, 11/27/2025Science
1,000‑Pound Purple Geode, Mosasaur Skeleton and Rare Specimens Head to Auction Dec. 2

A remarkable single-consignor collection of natural history treasures — including a 1,000‑pound purple geode and a nearly complete mosasaur skeleton — will be offered at Heritage Auctions' Nature & Science sale on December 2. The grouping also features fossils, meteorites, fine mineral specimens and finished lapidary pieces that together present an unusually broad and high-quality selection for collectors.

Auction highlights

Standout lots include:

  • A breathtaking 1,000‑pound purple geode, prized for its vivid crystalline color and dramatic presence;
  • A mosasaur skeleton, one of the commanding marine reptiles of the Late Cretaceous, offered with detailed documentation;
  • A variety of fossils and meteorites, plus exceptional mineral and lapidary works suitable for both display and scientific interest.

"This is an exceptional event, with every lot from the same consignor," said Craig Kissick, Heritage's Vice President of Nature & Science. "Collections like this, with this level of both quality and variety, rarely reach the collecting market. From fossils to meteorites, and minerals to lapidary arts, this auction has treasures that will appeal to collectors of all kinds."

High-resolution images and full lot descriptions are available on Heritage Auctions' website. Bidding opens Tuesday, December 2 at 10:50 a.m. CST. Collectors and enthusiasts are encouraged to review provenance and condition reports before bidding and to contact Heritage for viewing arrangements or additional details.

Why collectors should care: Single-consignor sales like this concentrate compatible, well-documented material, offering a rare opportunity to acquire complementary pieces from the same source — a compelling prospect for museums, private collections, and lapidary artists alike.

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