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
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From its occurrence at Litchfield, Maine, USA
From Italian, literally gravel, Germanic origin and related to break
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock