Ammolite shows a vibrant iridescence, ensuing from the diffraction of sunshine by means of its layered aragonite construction. This distinctive optical phenomenon creates a play of coloration harking back to opal, with hues ranging throughout the spectrum, typically showcasing dominant crimson and inexperienced flashes. The standard of this iridescence is influenced by the thickness and integrity of those layers, with thicker, extra uniform layers producing extra vivid colours. A single specimen can exhibit a shocking vary of colours relying on the viewing angle.
Prized for its rarity and wonder, this natural gemstone has captured consideration for its ornamental purposes, significantly in jewellery. Shaped from the fossilized shells of ammonites, primarily these of the species Placenticeras meeki, it holds paleontological significance, providing a glimpse into prehistoric marine ecosystems of the Late Cretaceous interval. The geological circumstances required for its formation are exceptionally particular, contributing to its restricted geographical distribution and consequently, its worth.
