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Hawaiite is an olivine basalt with a composition between alkali basalt and mugearite.[1] It was first used as a name for some lavas found on the island of Hawaii.

In gemology, hawaiite is a colloquial term for Hawaii-originated peridot, which is a gem-quality olivine mineral.


  1. ^ Peterson, Gordon A. MacDonald, Agatin T. Abbott, Frank L. (1983). Volcanoes in the sea : the geology of Hawaii (2nd ed.). Honolulu: University of Hawaii press. pp. 127–129, 150–152. ISBN 9780824808327.