Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
Origin
USA
Central Europe
Discoverer
Unknown
Unknown
Etymology
From 17th century, because of its greasy feel and use like a soap
From Latin granulum, a little grain or fine grained
Class
Metamorphic Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Group
Not Applicable
Not Applicable
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock