Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
History
Origin
Pike County, U.S
USA
Discoverer
Unknown
Unknown
Etymology
From French, from peridot + -ite
From silica, the main mineral content of Jasperoid
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