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Obsidian
Obsidian

Granite
Granite



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Obsidian
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Granite

Obsidian and Granite Definition

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Definition

Definition

Origin

Discoverer

Etymology

Class

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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
 
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone
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Alexander von Humboldt
From Italian granito, which means grained rock, from grano grain, and from Latin granum
Igneous Rocks
Durable Rock, Hard Rock
Plutonic
Coarse Grained Rock, Opaque Rock

Definition of Obsidian and Granite

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

History of Obsidian and Granite

The history of Obsidian and Granite 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 Granite Origin and Discoverer

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

Etymology of Obsidian and Granite

Along with Obsidian and Granite definition, know more about the etymology of Obsidian and Granite. Etymology of Obsidian and Granite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Granite. The etymology of Obsidian is while that of Granite 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 Granite belong to . The sub-class, group and other categories of Obsidian and Granite are listed below.

For Obsidian,

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

For Granite,

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