Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains
History
Origin
-
-
Discoverer
Unknown
Unknown
Etymology
From French anorthose plagioclase + -ite1
From pyroxene mineral jadeite
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock