1 Definition
1.1 Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains
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 pyroxene mineral jadeite
1.4 Class
Igneous Rocks
Metamorphic 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
Fine Grained Rock, Opaque Rock