1 Definition
1.1 Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene
From the name of a town in Harzburg, Germany
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock