Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
History
Origin
Central Europe
USA
Discoverer
Unknown
Unknown
Etymology
From Latin granulum, a little grain or fine grained
From silica, the main mineral content of Jasperoid
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock