Hawaiite

From Wikipedia, the free encyclopedia

Jump to: navigation, search

This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009)

Hawaiite is an olivine basalt with intermediate composition between alkali olivine and mugearite. It was first described at the island of Hawaii. In gemology, hawaiite is a colloquial term for Hawaii-originated peridot,which is gem-quality olivine mineral.

v t e Types of basalts

Basalts by tectonic setting	Flood basalt Mid-ocean ridge basalt Ocean island basalt Volcanic arc basalt

Basalts by form and flow	Columnar basalt Pillow basalt Aa lava Pahoehoe lava

Basalts by chemistry	Tholeiitic basalt Calc-alkaline basalt Alkali basalt Trachybasalt Hawaiite Mugearite Picrite

Important minerals	Olivine Pyroxene Plagioclase Amphibole Magnetite Ilmenite Quartz Cristobalite Trydimite

This volcanology article is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org/w/index.php?title=Hawaiite&oldid=541461556"

Hidden categories: