Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline
History
Origin
Central Europe
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Discoverer
Unknown
Unknown
Etymology
From Latin granulum, a little grain or fine grained
From Greek to pursue
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock