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Nephelinite
Nephelinite

Litchfieldite
Litchfieldite



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Nephelinite and Litchfieldite Definition

1 Definition
1.1 Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
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
Brazil
USA
1.2.2 Discoverer
Unknown
Bayley
1.3 Etymology
from French néphéline, from Greek nephelē
From its occurrence at Litchfield, Maine, USA
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Nephelinite and Litchfieldite

The general Nephelinite and Litchfieldite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. 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 Nephelinite and Litchfieldite, get to know about Properties of Nephelinite and Litchfieldite. Get to know more information about Nephelinite and Litchfieldite origin and discoverer, etymology and class.

History of Nephelinite and Litchfieldite

The history of Nephelinite 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.

Nephelinite and Litchfieldite Origin and Discoverer

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

Etymology of Nephelinite and Litchfieldite

Along with Nephelinite and Litchfieldite definition, know more about the etymology of Nephelinite and Litchfieldite. Etymology of Nephelinite and Litchfieldite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Litchfieldite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Litchfieldite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Litchfieldite belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Litchfieldite are listed below.

For Nephelinite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • 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