Porphyry and Ganister Definition

Definition of Porphyry and Ganister

The general Porphyry and Ganister 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, A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.. Along with definition of Porphyry and Ganister, get to know about Properties of Porphyry and Ganister. Get to know more information about Porphyry and Ganister origin and discoverer, etymology and class.

History of Porphyry and Ganister

The history of Porphyry and Ganister 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 Ganister Origin and Discoverer

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

Etymology of Porphyry and Ganister

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

For Porphyry,

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

For Ganister,

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