Pegmatite and Picrite Definition

Definition of Pegmatite and Picrite

The general Pegmatite and Picrite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Pegmatite and Picrite, get to know about Properties of Pegmatite and Picrite. Get to know more information about Pegmatite and Picrite origin and discoverer, etymology and class.

History of Pegmatite and Picrite

The history of Pegmatite and Picrite 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.

Pegmatite and Picrite Origin and Discoverer

Pegmatite and Picrite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Picrite. In this section, you will know about Pegmatite and Picrite Origin and Discoverer. Origin of Pegmatite is Unknown whereas Origin of Picrite is Hawaii Islands. It is interesting to know the name of Pegmatite and Picrite discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Picrite is Unknown.

Etymology of Pegmatite and Picrite

Along with Pegmatite and Picrite definition, know more about the etymology of Pegmatite and Picrite. Etymology of Pegmatite and Picrite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Picrite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Picrite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Picrite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Picrite are listed below.

For Pegmatite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock

For Picrite,

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