Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
History
Origin
Pike County, U.S
Southern Alps, France
Discoverer
Unknown
Dolomieu
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
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
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock