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Anthracite
Anthracite

Foidolite
Foidolite



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Anthracite and Foidolite Definition

1 Definition
1.1 Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%
1.2 History
1.2.1 Origin
Pennsylvania, U.S.
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From the mineral feldspathoid which is the main content of rock
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Anthracite and Foidolite

The general Anthracite and Foidolite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. On the other hand, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Anthracite and Foidolite, get to know about Properties of Anthracite and Foidolite. Get to know more information about Anthracite and Foidolite origin and discoverer, etymology and class.

History of Anthracite and Foidolite

The history of Anthracite and Foidolite 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.

Anthracite and Foidolite Origin and Discoverer

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

Etymology of Anthracite and Foidolite

Along with Anthracite and Foidolite definition, know more about the etymology of Anthracite and Foidolite. Etymology of Anthracite and Foidolite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Foidolite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Foidolite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Foidolite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Foidolite are listed below.

For Anthracite,

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

For Foidolite,

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