Definition
Origin
Discoverer
Etymology
Class
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Other Categories
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
From Latin granulum, a little grain or fine grained
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
From French schiste, Greek skhistos i.e. split
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock