Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
History
Origin
Pike County, U.S
Skye, Scotland
Discoverer
Unknown
Alfred Harker
Etymology
From French, from peridot + -ite
From mugear + -ite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Opaque Rock