Lot 1668
Iridescent Scaphite Ammonite. Scaphites are a heteromorphic ammonite, which means that for some reason they started out forming the usual spiral shape of ammonites but then began to straighten out. This spectacular, complete, 75 million year old, 2.5 inch colorful ammonite is on a 4 x 3.75 inch matrix and comes from the Pierre Shales of South Dakota. This spectacular ammonite still has over 75% of its original mother of pearl that has iridescent pinks, greens and purples with the layer beneath the original outer shell being mostly iridescent green with hints of purple. Ammonites possessing such beautiful iridescent colors are now considered to be a gemstone known as ammonite. These spectacular colors are created by minerals being absorbed in the fossilization process.
Add $15 for domestic shipping.
Estimated Value $350 - 450.
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