Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
History
Origin
Central Europe
Italy
Discoverer
Unknown
Unknown
Etymology
From Latin granulum, a little grain or fine grained
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
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
Medium Grained Rock, Opaque Rock