Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Aplite is a fine-grained granite composed mainly of feldspar and quartz
History
Origin
Pike County, U.S
Iran
Discoverer
Unknown
Unknown
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From German Aplit, from Greek haploos simple + -ite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock