Definition
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
History
Origin
Skye, Scotland
-
Discoverer
Alfred Harker
Unknown
Etymology
From mugear + -ite
From French anorthose plagioclase + -ite1
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Plutonic
Other Categories
Opaque Rock
Coarse Grained Rock, Opaque Rock