Porphyry and Appinite Definition

Definition of Porphyry and Appinite

The general Porphyry and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Porphyry and Appinite, get to know about Properties of Porphyry and Appinite. Get to know more information about Porphyry and Appinite origin and discoverer, etymology and class.

History of Porphyry and Appinite

The history of Porphyry and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Porphyry and Appinite

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

For Porphyry,

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

For Appinite,

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