Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite
History
Origin
Central Europe
Strait of sicily
Discoverer
Unknown
Unknown
Etymology
From Latin granulum, a little grain or fine grained
From Pantelleria, a volcanic island in the Strait of Sicily
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock