Grenstone or Greenstone: How To spell?
The word Grenstone is misspelled against Greenstone, a noun meaning "A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc."
The word Grenstone is misspelled against Greenstone, a noun meaning "A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc."