Sentence Examples

  • Thenard and is best obtained by heating a mixture of the trioxide and fluorspar with concentrated sulphuric acid.
  • The area is predominantly agricultural with a history of lead, zinc and fluorspar mining.
  • About half a mile further on there are the workings of an old fluorspar mine which has been closed for a considerable time.
  • Another flask contains ochre earth from a cavity lined with fluorspar crystals discovered in Heights Quarry several years ago.
  • In true dales fashion many of the new makers were fluorspar miners before the final closure of the mines in the area.

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