Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains
History
Origin
Germany
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Discoverer
Christian Leopold von Buch
Unknown
Etymology
From Latin glaber bare, smooth, bald
From pyroxene mineral jadeite
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
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Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock