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Related articles:
Agate
Quartz
Onyx
List of minerals
Carnelian
Heliotrope (mineral)
Geode
Key terms: chalcedony agate left variety thumb quartz clear mineral forms red onyx carnelian table white brown oxide banding th rowspan solubility heliotrope spelled inclusions moss agate cryptocrystalline green variety of chalcedony Search external links cited by footnotes on Wikipedia page Chalcedony: |
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