Dolomite and Obsidian Definition

Definition of Dolomite and Obsidian

The general Dolomite and Obsidian definition can be stated as: Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. On the other hand, 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. Along with definition of Dolomite and Obsidian, get to know about Properties of Dolomite and Obsidian. Get to know more information about Dolomite and Obsidian origin and discoverer, etymology and class.

History of Dolomite and Obsidian

The history of Dolomite and Obsidian 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.

Dolomite and Obsidian Origin and Discoverer

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

Etymology of Dolomite and Obsidian

Along with Dolomite and Obsidian definition, know more about the etymology of Dolomite and Obsidian. Etymology of Dolomite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Dolomite and Formation of Obsidian. The etymology of Dolomite is From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock while that of Obsidian is From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dolomite belongs to Sedimentary Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Dolomite and Obsidian are listed below.

For Dolomite,

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

For Obsidian,

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