1 Definition
1.1 Definition
Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite
1.2 History
1.2.1 Origin
USA
1.2.2 Discoverer
Bayley
1.3 Etymology
From its occurrence at Litchfield, Maine, USA
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock