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Obsidian
Obsidian

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Monzonite



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Obsidian and Monzonite 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
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase
1.2 History
1.2.1 Origin
Ethiopia
Trento Province, Italy
1.2.2 Discoverer
Obsius
Unknown
1.3 Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
From Mount Monzoni in the Tyrol, Italy, + -ite1
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
Plutonic
1.6 Other Categories
Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Obsidian and Monzonite

The general Obsidian and Monzonite 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, Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase. Along with definition of Obsidian and Monzonite, get to know about Properties of Obsidian and Monzonite. Get to know more information about Obsidian and Monzonite origin and discoverer, etymology and class.

History of Obsidian and Monzonite

The history of Obsidian and Monzonite 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 Monzonite Origin and Discoverer

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

Etymology of Obsidian and Monzonite

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

For Obsidian,

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

For Monzonite,

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