Phrases with «chalcedony»

Chalcedony ( ) is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. (Wikipedia) (See all definitions)

Sentences with «chalcedony» (usage examples):

  • The relaxed elegance of her collection has me dreaming of a tropical escape, and the first thing I'd pack is the chalcedony ring featured above. (
  • But, some of the Dugway Geodes contain another hidden surprise - trace amounts of uranium incorporated into their chalcedony lining cause the geode's interior lining to exhibit a spectacular lime-green fluorescence under ultraviolet light. (
  • Rough cuts of cool snakeskin and blue chalcedony are mounted in gold-plated brass for a feel that keeps this cocktail ring thoroughly modern. (
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