Soapstone and Lignite Definition

Definition of Soapstone and Lignite

The general Soapstone and Lignite definition can be stated as: It is a metamorphic magnesium rich rock because it is composed of the mineral talc. 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 Soapstone and Lignite, get to know about Properties of Soapstone and Lignite. Get to know more information about Soapstone and Lignite origin and discoverer, etymology and class.

History of Soapstone and Lignite

The history of Soapstone 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.

Soapstone and Lignite Origin and Discoverer

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

Etymology of Soapstone and Lignite

Along with Soapstone and Lignite definition, know more about the etymology of Soapstone and Lignite. Etymology of Soapstone and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Soapstone and Formation of Lignite. The etymology of Soapstone is From 17th century, because of its greasy feel and use like a soap while that of Lignite is From 17th century, because of its greasy feel and use like a soap. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Soapstone belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Soapstone and Lignite are listed below.

For Soapstone,

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

For Lignite,

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