Definition
Origin
Discoverer
Etymology
Class
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Group
Other Categories
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
From the locality in Essex County, Massachusetts,US
Fine Grained Rock, Opaque Rock