Greenstone

·noun A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, ·etc.

greenstone
n. popular name of Nephrite (q.v.). Maori name, Pounamu (q.v.). 1859. A.S. Thomson, `Story of New ...

Dictionary of Australasian Words Phrases and Usages by Edward E. Morris