Definition
A yellow sandstone which is flexible when cut into thin strips
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
History
Origin
-
-
Discoverer
Unknown
Unknown
Etymology
From the name of a mountain range where it was found; Itacolumi mountain in Brazil
From French anorthose plagioclase + -ite1
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock