Pyritized Ammonites from Ryazan City Region, Russia. (Over 160 Million Years Old!)

Pyritized Ammonites from Ryazan City Region, Russia. (Over 160 Million Years Old!)

These pyritized ammonites offer a rare opportunity to own a piece of natural history, showcasing both the beauty and scientific significance of these ancient marine fossils. Their exquisite preservation in pyrite ensures each specimen is a unique and striking addition to any collection, providing a tangible connection to the prehistoric world.

a) 30mm*24mm*5mm / 0.17oz
b) 30mm*23mm*6mm / 0.225oz
c) 30mm*25mm*7mm / 0.235oz
d) 27mm*23mm*5mm / 0.16oz
e) 29mm*25mm*7mm / 0.24oz
f) 32mm*28mm*6mm / 0.245oz

Pyritized ammonites are exquisite fossils where the original shell of the ammonite, a prehistoric marine mollusk, has been replaced by pyrite, also known as fool's gold. This process, known as pyritization, preserves intricate details of the creature's spiral shell, often with a shimmering golden hue that catches the light. These fossils are prized not only for their beauty but also for the scientific insights they offer into ancient marine ecosystems. Pyritized ammonites provide clues about the environmental conditions and evolution during the time they inhabited the oceans, making them invaluable specimens in paleontological studies. Their unique preservation makes them a captivating glimpse into the distant past, where nature's alchemy has transformed organic matter into enduring geological marvels.

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