Gritstone and Rhyolite Types and Facts
Types
Not Available
  
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
  
Features
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock
  
Acidic in nature, Available in lots of colors
  
Archaeological Significance
  
  
Monuments
Used
  
Not Yet Used
  
Famous Monuments
Data Not Available
  
Not Applicable
  
Sculpture
Used
  
Not Yet Used
  
Famous Sculptures
Data Not Available
  
Not Applicable
  
Pictographs
Not Used
  
Not Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Used
  
Not Yet Used
  
Fossils
Present
  
Absent
  
Types of Gritstone and Rhyolite
Some rocks according to their use or texture are classified into different types. Know more about Gritstone Texture and Rhyolite Texture. Types of Gritstone are Not Available whereas the types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks..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. Gritstone and Rhyolite 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. Gritstone and Rhyolite were not used for creating petroglyphs.