beryl vs verdurous

beryl

adj
  • Of a dull bluish green colour. 

noun
  • A dull blueish green colour. 

  • An example (a stone) of the mineral beryl. 

  • A mineral of pegmatite deposits, often used as a gemstone. 

verdurous

adj
  • Freshly green; verdant; covered with verdure, or consisting of it. 

  • Having youthful or new qualities. 

How often have the words beryl and verdurous occurred in a corpus of books? (source: Google Ngram Viewer )