Pumice and Hornfels Definition

Definition of Pumice and Hornfels

The general Pumice and Hornfels 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, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Pumice and Hornfels, get to know about Properties of Pumice and Hornfels. Get to know more information about Pumice and Hornfels origin and discoverer, etymology and class.

History of Pumice and Hornfels

The history of Pumice and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Pumice and Hornfels

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

For Pumice,

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

For Hornfels,

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