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agate
Table of Contents
Introduction
References & Edit History
Related Topics
Images
Quizzes
(Bed) Rocks and (Flint) Stones
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Contents
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Science
Earth Science, Geologic Time & Fossils
Earth Sciences
agate: Media
mineral
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Images
Banded agate
B.M. Shaub
Quartz agates from Mexico.
Courtesy of Joseph and Helen Guetterman collection; photograph John H. Gerard/Encyclopædia Britannica, Inc.
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in these related Britannica articles:
Media for: quartz
Media for: carnelian
Media for: opal
Media for: silica mineral