Chalk and Luxullianite Definition

Definition of Chalk and Luxullianite

The general Chalk and Luxullianite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. 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 Chalk and Luxullianite, get to know about Properties of Chalk and Luxullianite. Get to know more information about Chalk and Luxullianite origin and discoverer, etymology and class.

History of Chalk and Luxullianite

The history of Chalk 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.

Chalk and Luxullianite Origin and Discoverer

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

Etymology of Chalk and Luxullianite

Along with Chalk and Luxullianite definition, know more about the etymology of Chalk and Luxullianite. Etymology of Chalk and Luxullianite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Luxullianite. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Luxullianite is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk belongs to Sedimentary Rocks while Luxullianite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Luxullianite are listed below.

For Chalk,

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

For Luxullianite,

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