Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
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 French, from peridot + -ite
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