Definition
Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
History
Origin
Iceland
USA
Discoverer
Ian S. E. Carmichael
Edgar Bailey
Etymology
From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland
From French schiste, Greek skhistos i.e. split
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock