Coal and Pegmatite Types and Facts
Types
Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite
  
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
  
Features
Helps in production of Heat and Electricity, Used as fossil fuel
  
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
  
Archaeological Significance
  
  
Monuments
Not Yet Used
  
Not Yet Used
  
Famous Monuments
Not Applicable
  
Not Applicable
  
Sculpture
Not Yet Used
  
Used
  
Famous Sculptures
Not Applicable
  
Data Not Available
  
Pictographs
Not Used
  
Not Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Not Yet Used
  
Used
  
Fossils
Present
  
Absent
  
Types of Coal and Pegmatite
Some rocks according to their use or texture are classified into different types. Know more about Coal Texture and Pegmatite Texture. Types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite whereas the types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite.During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Coal and Pegmatite were not used for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Coal and Pegmatite were not used for creating petroglyphs.