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Related articles:
List of minerals
Agate
Chrysoprase
Moss agate
Heliotrope (mineral)
Carnelian
Quartz
Moganite
Onyx
Geode
Cryptocrystalline
Key terms: chalcedony agate th variety mineral quartz left clear green inclusion carnelian moss th rowspan red form variety of chalcedony solubility heliotrope banding gives brown moss agate structure stone cameo spelled minoan seal table breastplate asia onyx oxide once similar Search external links cited by footnotes on Wikipedia page Chalcedony: |
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