Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
History
Origin
Pike County, U.S
Discoverer
Unknown
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
Class
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock