Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
History
Origin
Central Europe
-
Discoverer
Unknown
Unknown
Etymology
From Latin granulum, a little grain or fine grained
From French anorthose plagioclase + -ite1
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock