Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
History
Origin
Pike County, U.S
Central Europe
Discoverer
Unknown
Unknown
Etymology
From French, from peridot + -ite
From Latin granulum, a little grain or fine grained
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock