Description:

年代(Age): Cretaceous 83-66 Ma。 尺寸(Size): 33×27 cm。 描述 Description:Placenticeras sp. is renowned for its mesmerizing iridescence and rarity. Its outer shell is composed of aragonite, which creates a diffraction effect under light, producing a rainbow-like spectrum of colors. Fully intact specimens command extremely high value, making partial ammonite shell fragments highly sought after in the market as well. These pieces allow collectors to appreciate the brilliant, multicolored iridescence that makes Placenticeras sp. so captivating.

  • Provenance: Origin:Alberta, Canada。 產地:加拿大 艾伯塔。

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April 20, 2025 2:00 PM TST
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