Definition
Vogesite is a porphyritic alkaline igneous rock and is a variety of Lamprophyre which is dominated by essential amphibole, usually hornblende, and potassic feldspar
Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock
History
Origin
-
Iceland
Discoverer
Unknown
Ian S. E. Carmichael
Etymology
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple
From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock