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Obsidian
Obsidian

Kenyte
Kenyte



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Obsidian and Kenyte Definition

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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
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix
1.2 History
1.2.1 Origin
Ethiopia
Mount Kenya
1.2.2 Discoverer
Obsius
J. W. Gregory
1.3 Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness 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 Kenyte

The general Obsidian and Kenyte 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, Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix. Along with definition of Obsidian and Kenyte, get to know about Properties of Obsidian and Kenyte. Get to know more information about Obsidian and Kenyte origin and discoverer, etymology and class.

History of Obsidian and Kenyte

The history of Obsidian and Kenyte 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 Kenyte Origin and Discoverer

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

Etymology of Obsidian and Kenyte

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

For Obsidian,

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

For Kenyte,

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