Phonolite and Litchfieldite Definition

Definition of Phonolite and Litchfieldite

The general Phonolite and Litchfieldite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, 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. Along with definition of Phonolite and Litchfieldite, get to know about Properties of Phonolite and Litchfieldite. Get to know more information about Phonolite and Litchfieldite origin and discoverer, etymology and class.

History of Phonolite and Litchfieldite

The history of Phonolite and Litchfieldite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Phonolite and Litchfieldite Origin and Discoverer

Phonolite and Litchfieldite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Phonolite and Litchfieldite. In this section, you will know about Phonolite and Litchfieldite Origin and Discoverer. Origin of Phonolite is Unknown whereas Origin of Litchfieldite is USA. It is interesting to know the name of Phonolite and Litchfieldite discoverer. The Discoverer of Phonolite is Unknown and the discoverer of Litchfieldite is Bayley.

Etymology of Phonolite and Litchfieldite

Along with Phonolite and Litchfieldite definition, know more about the etymology of Phonolite and Litchfieldite. Etymology of Phonolite and Litchfieldite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Litchfieldite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Litchfieldite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Litchfieldite belong to Igneous Rocks. The sub-class, group and other categories of Phonolite and Litchfieldite are listed below.

For Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Litchfieldite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock