Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Pike County, U.S
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From French, from peridot + -ite
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock