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Very Rare and Excellently preserved fossilized Choia carteri sponge spicules in a radiating pattern
25" tall x 1" wide
later it was classified as Margaretia dorus
5 inches wide
Septarian Slab with Calcite crystal cavity and fossil imprint Septarian Hollow Bookends Very Rare and Excellently preserved*Utah Septarian Slab with a unique calcite crystal cavity and detailed fossil imprint. Approximately 1 2" thick and 8 1 2" in diameter at widest point. *Unique Slice of History from the Age of the Dinosaurs with a visible fossil remnant, key in the Septarian's Formation. Utah Septarian Nodules or Geodes Formed during the Cretaceous Period (66 to 145 Million Years Ago)! *Comes with Stand and Information Card.
US$ 939.50
US$ 1268.50
US$ 670.50
US$ 1421.00
US$ 605.50