Porphyry and Pegmatite Definition

Definition of Porphyry and Pegmatite

The general Porphyry and Pegmatite definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Porphyry and Pegmatite, get to know about Properties of Porphyry and Pegmatite. Get to know more information about Porphyry and Pegmatite origin and discoverer, etymology and class.

History of Porphyry and Pegmatite

The history of Porphyry and Pegmatite 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.

Porphyry and Pegmatite Origin and Discoverer

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

Etymology of Porphyry and Pegmatite

Along with Porphyry and Pegmatite definition, know more about the etymology of Porphyry and Pegmatite. Etymology of Porphyry and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Pegmatite. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Pegmatite is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Pegmatite belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Pegmatite are listed below.

For Porphyry,

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

For Pegmatite,

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