Gneiss and Luxullianite Definition

Definition of Gneiss and Luxullianite

The general Gneiss and Luxullianite definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Luxullianite is a rare type of granite, known for presence of clusters of radially arranged acicular tourmaline crystals which are enclosed by phenocrysts of orthoclase and quartz in a matrix of quartz, tourmaline, alkali feldspar, brown mica.. Along with definition of Gneiss and Luxullianite, get to know about Properties of Gneiss and Luxullianite. Get to know more information about Gneiss and Luxullianite origin and discoverer, etymology and class.

History of Gneiss and Luxullianite

The history of Gneiss and Luxullianite 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.

Gneiss and Luxullianite Origin and Discoverer

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

Etymology of Gneiss and Luxullianite

Along with Gneiss and Luxullianite definition, know more about the etymology of Gneiss and Luxullianite. Etymology of Gneiss and Luxullianite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Luxullianite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Luxullianite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Luxullianite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Luxullianite are listed below.

For Gneiss,

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

For Luxullianite,

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