Granite and Porphyry Definition

Definition of Granite and Porphyry

The general Granite and Porphyry definition can be stated as: Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Granite and Porphyry, get to know about Properties of Granite and Porphyry. Get to know more information about Granite and Porphyry origin and discoverer, etymology and class.

History of Granite and Porphyry

The history of Granite and 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.

Granite and Porphyry Origin and Discoverer

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

Etymology of Granite and Porphyry

Along with Granite and Porphyry definition, know more about the etymology of Granite and Porphyry. Etymology of Granite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Porphyry. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Porphyry is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Granite and Porphyry are listed below.

For Granite,

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

For Porphyry,

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