Sentence Examples


  • Buhrstone, a cellular variety of chalcedonic quartz from the Tertiary strata of the Paris basin, is largely used for millstones.
  • The siliceous Claiborne (or Tallahatta Buhrstone) formation lies south-westward from the last-named in a strip 10-30 m.
 
 

How would you define buhrstone? Add your definition here.

comments powered by Disqus

Also Mentioned In