Definition
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
History
Origin
Hawaii Islands
England
Discoverer
Joseph Iddings
Unknown
Etymology
From Hawaii Islands
From Italian, literally gravel, Germanic origin and related to break
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
-
Other Categories
Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock