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Obsidian
Obsidian

Basanite 
Basanite 



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Obsidian
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Basanite 

Obsidian and Basanite  Definition

1 Definition
1.1 Definition
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
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone
1.2 History
1.2.1 Origin
Ethiopia
Unknown
1.2.2 Discoverer
Obsius
Unknown
1.3 Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
From Latin basanites + -ite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Obsidian and Basanite 

The general Obsidian and Basanite  definition can be stated as: 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. On the other hand, Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone. Along with definition of Obsidian and Basanite , get to know about Properties of Obsidian and Basanite . Get to know more information about Obsidian and Basanite  origin and discoverer, etymology and class.

History of Obsidian and Basanite 

The history of Obsidian and Basanite  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 Basanite  Origin and Discoverer

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

Etymology of Obsidian and Basanite 

Along with Obsidian and Basanite  definition, know more about the etymology of Obsidian and Basanite . Etymology of Obsidian and Basanite  gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Basanite . The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Basanite  is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian and Basanite  belong to Igneous Rocks. The sub-class, group and other categories of Obsidian and Basanite  are listed below.

For Obsidian,

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

For Basanite ,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock