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Anthracite
Anthracite

Tachylite
Tachylite



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Anthracite and Tachylite 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
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt
1.2 History
1.2.1 Origin
Pennsylvania, U.S.
Iceland
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From German Tachylite, from tachy- + Greek lutos soluble, melting
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
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 Tachylite

The general Anthracite and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Anthracite and Tachylite, get to know about Properties of Anthracite and Tachylite. Get to know more information about Anthracite and Tachylite origin and discoverer, etymology and class.

History of Anthracite and Tachylite

The history of Anthracite and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Anthracite and Tachylite

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

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