This a complete Sphenodiscus ammonite inside a GEODE! Positive and Negative! Actually part of the ammonite is on each side, with the chambers seperated showing the inside of the ammonite!
This was a found as a round rock, when split it revealed a beautiful ammonite on the bottom and its reverse impression on the top. The ammonite is 5.25" across, and the geode is 8" x 7" x 5 inches high and weighs 14 lbs 5 oz!!
Rare Species of ammonite from South Dakota with iridescent ammolite on the shell: green, yellow, pink.
A STUNNING OPAL FOSSIL AND A PIECE OF ANCIENT HISTORY.
I SHIP INTERNATIONALLY WITH INSURANCE! BUYING FROM ME IS EASY AND I FAST!
THIS IS AN EXTREMELY RARE, SOUTH DAKOTA SPHENODISCUS WITH AMMOLITE!
Don't miss this rare double.
THIS IS A RARE OPPORTUNITY TO OWN ONE OF THE MOST AMAZING CREATIONS OF NATURE. FOSSILIZED NACRE (THE SHELLS MOTHER OF PEARL) CREATES BEAUTIFUL IRIDESCENT COLORS ON THE SHELL.
GREAT ADDITION TO A COLLECTION.
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