Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
History
Origin
Pike County, U.S
New Zealand
Discoverer
Unknown
Belsazar Hacquet
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From lime and stone in late 14th Century
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock