Definition
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine
History
Origin
-
Germany
Discoverer
Unknown
Unknown
Etymology
From Greek phullon leaf + -ite1
From the name of a town in Harzburg, Germany
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock