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Obsidian
Obsidian

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Evaporite



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Obsidian and Evaporite 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
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
1.2 History
1.2.1 Origin
Ethiopia
USA
1.2.2 Discoverer
Obsius
Usiglio
1.3 Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
From a sediment left after the evaporation
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Obsidian and Evaporite

The general Obsidian and Evaporite 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, A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. Along with definition of Obsidian and Evaporite, get to know about Properties of Obsidian and Evaporite. Get to know more information about Obsidian and Evaporite origin and discoverer, etymology and class.

History of Obsidian and Evaporite

The history of Obsidian and Evaporite 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 Evaporite Origin and Discoverer

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

Etymology of Obsidian and Evaporite

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

For Obsidian,

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

For Evaporite,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Not applicable
  • Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock