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Obsidian
Obsidian

Felsite
Felsite



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Obsidian
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Felsite

Obsidian and Felsite Definition

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Definition

Definition

Origin

Discoverer

Etymology

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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
Ethiopia
Obsius
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
Igneous Rocks
Durable Rock, Medium Hardness Rock
Volcanic
Opaque Rock
 
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
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Unknown
From English feldspar and -ite
Igneous Rocks
Durable Rock, Medium Hardness Rock
Volcanic
Fine Grained Rock, Opaque Rock

Definition of Obsidian and Felsite

The general Obsidian and Felsite definition can be stated as: . On the other hand, . Along with definition of Obsidian and Felsite, get to know about Obsidian vs Felsite. Get to know more information about Obsidian and Felsite origin and discoverer, etymology and class.

History of Obsidian and Felsite

The history of Obsidian and Felsite 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.

Obsidian and Felsite Origin and Discoverer

Obsidian and Felsite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Obsidian vs Felsite. In this section, you will know about Obsidian and Felsite Origin and Discoverer. Origin of Obsidian and Felsite are . It is interesting to know the name of Obsidian and Felsite discoverer. The discoverer of Obsidian and Felsite are .

Etymology of Obsidian and Felsite

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

For Obsidian,

  • Sub-class:
  • Group:
  • Other Categories:

For Felsite,

  • Sub-class:
  • Group:
  • Other Categories: