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Nephelinite
Nephelinite

Jasperoid
Jasperoid



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Nephelinite and Jasperoid 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).
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
1.2 History
1.2.1 Origin
Brazil
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
from French néphéline, from Greek nephelē
From silica, the main mineral content of Jasperoid
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Nephelinite and Jasperoid

The general Nephelinite and Jasperoid 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, Jasperoid is a rare, peculiar type of metasomatic alteration of rocks. Along with definition of Nephelinite and Jasperoid, get to know about Properties of Nephelinite and Jasperoid. Get to know more information about Nephelinite and Jasperoid origin and discoverer, etymology and class.

History of Nephelinite and Jasperoid

The history of Nephelinite and Jasperoid 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 Jasperoid Origin and Discoverer

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

Etymology of Nephelinite and Jasperoid

Along with Nephelinite and Jasperoid definition, know more about the etymology of Nephelinite and Jasperoid. Etymology of Nephelinite and Jasperoid gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Jasperoid. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Jasperoid 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 belongs to Igneous Rocks while Jasperoid belongs to Sedimentary Rocks. The sub-class, group and other categories of Nephelinite and Jasperoid are listed below.

For Nephelinite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Fine grained rock and Opaque rock

For Jasperoid,

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