Sentence Examples


  • The Baltic amber or succinite is found as irregular nodules in a marine glauconitic sand, known as "blue earth," occurring in the Lower Oligocene strata of Samland in East Prussia, where it is now systematically mined.
  • The nodules from the "blue earth" have to be freed from matrix and divested of their opaque crust, which can be done in revolving barrels containing sand and water.
  • Beckerite, a rare amber in earthy-brown nodules, almost opaque, said to be related in properties to gutta-percha.
  • The nodules are penetrated by cracks,;but the material can be worked on the lathe.
  • The nodules, in particular, appear to play the important part in the process.

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