Coal and Websterite Definition

Definition of Coal and Websterite

The general Coal and Websterite definition can be stated as: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. On the other hand, Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. Along with definition of Coal and Websterite, get to know about Properties of Coal and Websterite. Get to know more information about Coal and Websterite origin and discoverer, etymology and class.

History of Coal and Websterite

The history of Coal and Websterite 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.

Coal and Websterite Origin and Discoverer

Coal and Websterite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Coal and Websterite. In this section, you will know about Coal and Websterite Origin and Discoverer. Origin of Coal is USA whereas Origin of Websterite is Webster, North Carolina. It is interesting to know the name of Coal and Websterite discoverer. The Discoverer of Coal is John Peter Salley and the discoverer of Websterite is Unknown.

Etymology of Coal and Websterite

Along with Coal and Websterite definition, know more about the etymology of Coal and Websterite. Etymology of Coal and Websterite gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Websterite. The etymology of Coal is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century while that of Websterite is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coal belongs to Sedimentary Rocks while Websterite belongs to Igneous Rocks. The sub-class, group and other categories of Coal and Websterite are listed below.

For Coal,

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

For Websterite,

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