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Opal Formation - cover

Opal Formation

Yves Earhart

Translator A AI

Publisher: Publifye

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Summary

Opal Formationexplores the fascinating geological processes behind the creation of opals, those gemstones celebrated for their captivating "play-of-color." This book reveals how specific environmental conditions and geological history determine an opal's unique traits. You'll discover that the formation of opals involves silica deposits and transport, crucial for understanding broader geological phenomena. The book also highlights that deeper knowledge of opal genesis aids in more effective exploration and sustainable mining practices.

 
The book begins by introducing opal composition and then examines silica gel formation, explaining how its hardening results in the nanoscale structure responsible for the "play-of-color." It explores diverse geological settings, from arid deserts to volcanic terrains, showcasing where opals form. Case studies from regions like Australia and Ethiopia demonstrate the influence of local hydrology, rock chemistry, and tectonic activity on opal deposits.

 
By bridging mineralogy, geochemistry, and geology, this study presents an integrated model of opal genesis, considering factors like pH and temperature, making it valuable for geology students, mineral enthusiasts, and gemologists alike.
Available since: 02/12/2025.
Print length: 69 pages.

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