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Essexite 
Essexite 

Picrite
Picrite



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Essexite 
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Picrite

Essexite  and Picrite Definition

1 Definition
1.1 Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
1.2 History
1.2.1 Origin
USA
Hawaii Islands
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the locality in Essex County, Massachusetts,US
From Greek pikros bitter + -ite, 19th century
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Essexite  and Picrite

The general Essexite  and Picrite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. On the other hand, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Essexite  and Picrite, get to know about Properties of Essexite  and Picrite. Get to know more information about Essexite  and Picrite origin and discoverer, etymology and class.

History of Essexite  and Picrite

The history of Essexite  and Picrite 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.

Essexite  and Picrite Origin and Discoverer

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

Etymology of Essexite  and Picrite

Along with Essexite  and Picrite definition, know more about the etymology of Essexite  and Picrite. Etymology of Essexite  and Picrite gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Picrite. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Picrite is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  and Picrite belong to Igneous Rocks. The sub-class, group and other categories of Essexite  and Picrite are listed below.

For Essexite ,

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

For Picrite,

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