Sentence Examples

  • Glaucophane Crocidolite Riebeckite Arfvedsonite Aenigmatite .
  • This island is composed of micro-granite with riebeckite, of great interest on account of the rare occurrence of this type in Britain.
  • Its essential constituents are felspar, quartz and riebeckite - a soda amphibole.
  • As riebeckite-granophyre has been found in Skye it may be of Tertiary age.

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