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Anthracite
Anthracite

Hornblendite
Hornblendite



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Anthracite
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Hornblendite

Anthracite and Hornblendite 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
Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock
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 German, Horn horn + blende
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard 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, Medium Grained Rock, Opaque Rock

Definition of Anthracite and Hornblendite

The general Anthracite and Hornblendite 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, Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. Along with definition of Anthracite and Hornblendite, get to know about Properties of Anthracite and Hornblendite. Get to know more information about Anthracite and Hornblendite origin and discoverer, etymology and class.

History of Anthracite and Hornblendite

The history of Anthracite and Hornblendite 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 Hornblendite Origin and Discoverer

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

Etymology of Anthracite and Hornblendite

Along with Anthracite and Hornblendite definition, know more about the etymology of Anthracite and Hornblendite. Etymology of Anthracite and Hornblendite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Hornblendite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Hornblendite 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 Hornblendite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Hornblendite 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 Hornblendite,

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