The general Obsidian and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Obsidian and Phyllite, get to know about Properties of Obsidian and Phyllite. Get to know more information about Obsidian and Phyllite origin and discoverer, etymology and class.
The history of Obsidian and Phyllite 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 Phyllite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Obsidian and Phyllite. In this section, you will know about Obsidian and Phyllite Origin and Discoverer. Origin of Obsidian is Ethiopia whereas Origin of Phyllite is Unknown. It is interesting to know the name of Obsidian and Phyllite discoverer. The Discoverer of Obsidian is Obsius and the discoverer of Phyllite is Unknown.
Along with Obsidian and Phyllite definition, know more about the etymology of Obsidian and Phyllite. Etymology of Obsidian and Phyllite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Phyllite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Phyllite 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 Phyllite belongs to Metamorphic Rocks. The sub-class, group and other categories of Obsidian and Phyllite are listed below.
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