Granite and Lignite Definition

Definition of Granite and Lignite

The general Granite and Lignite definition can be stated as: Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. On the other hand, Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Along with definition of Granite and Lignite, get to know about Properties of Granite and Lignite. Get to know more information about Granite and Lignite origin and discoverer, etymology and class.

History of Granite and Lignite

The history of Granite and Lignite 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.

Granite and Lignite Origin and Discoverer

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

Etymology of Granite and Lignite

Along with Granite and Lignite definition, know more about the etymology of Granite and Lignite. Etymology of Granite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Lignite. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Lignite is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Granite and Lignite are listed below.

For Granite,

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

For Lignite,

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