Definition
Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
History
Origin
Iceland
New Zealand
Discoverer
Ian S. E. Carmichael
Ferdinand von Hochstetter
Etymology
From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland
From the name of Dun Mountain, New Zealand, + -ite1
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock