Obsidian and Rhomb Porphyry Definition

Definition of Obsidian and Rhomb Porphyry

The general Obsidian and Rhomb Porphyry 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, Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. Along with definition of Obsidian and Rhomb Porphyry, get to know about Properties of Obsidian and Rhomb Porphyry. Get to know more information about Obsidian and Rhomb Porphyry origin and discoverer, etymology and class.

History of Obsidian and Rhomb Porphyry

The history of Obsidian and Rhomb Porphyry 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 Rhomb Porphyry Origin and Discoverer

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

Etymology of Obsidian and Rhomb Porphyry

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

For Obsidian,

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

For Rhomb Porphyry,

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