lava vs mineral

lava

noun
  • Magma. 

  • The molten rock ejected by a volcano from its crater or fissured sides. 

  • A shade of red, named after the volcanic lava. 

mineral

noun
  • Mineral water. 

  • A soft drink, particularly a single serve bottle or can. 

  • Any inorganic material (as distinguished from animal or vegetable). 

  • Any inorganic element that is essential to nutrition; a dietary mineral. 

  • Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties. 

adj
  • of, related to, or containing minerals 

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