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