Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
History
Origin
Italy
Southern Alps, France
Discoverer
Unknown
Jakob Sederholm
Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
From the Greek word migma which means a mixture
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock