Definition
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Hawaii Islands
Germany
Discoverer
Joseph Iddings
Christian Leopold von Buch
Etymology
From Hawaii Islands
From Latin glaber bare, smooth, bald
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Opaque Rock
Coarse Grained Rock, Opaque Rock