Pumice and Rapakivi Granite Definition

Definition of Pumice and Rapakivi Granite

The general Pumice and Rapakivi Granite definition can be stated as: Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. On the other hand, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Pumice and Rapakivi Granite, get to know about Properties of Pumice and Rapakivi Granite. Get to know more information about Pumice and Rapakivi Granite origin and discoverer, etymology and class.

History of Pumice and Rapakivi Granite

The history of Pumice and Rapakivi Granite 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.

Pumice and Rapakivi Granite Origin and Discoverer

Pumice and Rapakivi Granite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pumice and Rapakivi Granite. In this section, you will know about Pumice and Rapakivi Granite Origin and Discoverer. Origin of Pumice is Spain whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Pumice and Rapakivi Granite discoverer. The Discoverer of Pumice is Unknown and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Pumice and Rapakivi Granite

Along with Pumice and Rapakivi Granite definition, know more about the etymology of Pumice and Rapakivi Granite. Etymology of Pumice and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Pumice and Formation of Rapakivi Granite. The etymology of Pumice is From Old French pomis, from a Latin dialect variant of pumex while that of Rapakivi Granite is From Old French pomis, from a Latin dialect variant of pumex. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pumice and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Pumice and Rapakivi Granite are listed below.

For Pumice,

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

For Rapakivi Granite,

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