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Websterite
Websterite

Obsidian
Obsidian



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Websterite and Obsidian Definition

1 Definition
1.1 Definition
Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth
1.2 History
1.2.1 Origin
Webster, North Carolina
Ethiopia
1.2.2 Discoverer
Unknown
Obsius
1.3 Etymology
From the town of Webster located in North Carolina
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Opaque Rock

Definition of Websterite and Obsidian

The general Websterite and Obsidian definition can be stated as: Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. On the other hand, Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Along with definition of Websterite and Obsidian, get to know about Properties of Websterite and Obsidian. Get to know more information about Websterite and Obsidian origin and discoverer, etymology and class.

History of Websterite and Obsidian

The history of Websterite and Obsidian 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.

Websterite and Obsidian Origin and Discoverer

Websterite and Obsidian definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Websterite and Obsidian. In this section, you will know about Websterite and Obsidian Origin and Discoverer. Origin of Websterite is Webster, North Carolina whereas Origin of Obsidian is Ethiopia. It is interesting to know the name of Websterite and Obsidian discoverer. The Discoverer of Websterite is Unknown and the discoverer of Obsidian is Obsius.

Etymology of Websterite and Obsidian

Along with Websterite and Obsidian definition, know more about the etymology of Websterite and Obsidian. Etymology of Websterite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Websterite and Formation of Obsidian. The etymology of Websterite is From the town of Webster located in North Carolina while that of Obsidian is From the town of Webster located in North Carolina. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Websterite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Websterite and Obsidian are listed below.

For Websterite,

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

For Obsidian,

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