Obsidian and Jasperoid Definition

Definition of Obsidian and Jasperoid

The general Obsidian and Jasperoid 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, Jasperoid is a rare, peculiar type of metasomatic alteration of rocks. Along with definition of Obsidian and Jasperoid, get to know about Properties of Obsidian and Jasperoid. Get to know more information about Obsidian and Jasperoid origin and discoverer, etymology and class.

History of Obsidian and Jasperoid

The history of Obsidian and Jasperoid 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 Jasperoid Origin and Discoverer

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

Etymology of Obsidian and Jasperoid

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

For Obsidian,

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

For Jasperoid,

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