Pegmatite and Phyllite Definition

Definition of Pegmatite and Phyllite

The general Pegmatite and Phyllite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. 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 Pegmatite and Phyllite, get to know about Properties of Pegmatite and Phyllite. Get to know more information about Pegmatite and Phyllite origin and discoverer, etymology and class.

History of Pegmatite and Phyllite

The history of Pegmatite 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.

Pegmatite and Phyllite Origin and Discoverer

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

Etymology of Pegmatite and Phyllite

Along with Pegmatite and Phyllite definition, know more about the etymology of Pegmatite and Phyllite. Etymology of Pegmatite and Phyllite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Phyllite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Phyllite 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 belongs to Igneous Rocks while Phyllite belongs to Metamorphic Rocks. The sub-class, group and other categories of Pegmatite and Phyllite are listed below.

For Pegmatite,

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

For Phyllite,

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