Definition
Origin
Discoverer
Etymology
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Other Categories
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
From the chemical and mineralogical composition of the upper mantle of the Earth
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock
Kimberlite is a rare, blue-tinged, coarse-grained intrusive igneous rock, which sometimes contains diamonds and is mostly found in South Africa and Siberia.
From Kimberley + -ite, from the name of the South African town of Kimberley where the rock was first found.
Coarse Grained Rock, Fine Grained Rock, Opaque Rock