Pumice and Andesite Definition

Definition of Pumice and Andesite

The general Pumice and Andesite 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, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Pumice and Andesite, get to know about Properties of Pumice and Andesite. Get to know more information about Pumice and Andesite origin and discoverer, etymology and class.

History of Pumice and Andesite

The history of Pumice and Andesite 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 Andesite Origin and Discoverer

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

Etymology of Pumice and Andesite

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

For Pumice,

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

For Andesite,

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