Anthracite and Blue Granite Definition

Definition of Anthracite and Blue Granite

The general Anthracite and Blue Granite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. On the other hand, Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar. Along with definition of Anthracite and Blue Granite, get to know about Properties of Anthracite and Blue Granite. Get to know more information about Anthracite and Blue Granite origin and discoverer, etymology and class.

History of Anthracite and Blue Granite

The history of Anthracite and Blue Granite 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.

Anthracite and Blue Granite Origin and Discoverer

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

Etymology of Anthracite and Blue Granite

Along with Anthracite and Blue Granite definition, know more about the etymology of Anthracite and Blue Granite. Etymology of Anthracite and Blue Granite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Blue Granite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Blue Granite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Blue Granite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Blue Granite are listed below.

For Anthracite,

• 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 Blue Granite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock