Porphyry and Phyllite Types and Facts
Types
Rhomb Porphyry
  
Not Available
  
Features
Generally rough to touch, Is one of the oldest rock, Surfaces are often shiny
  
Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
  
Archaeological Significance
  
  
Monuments
Used
  
Not Yet Used
  
Famous Monuments
Data Not Available
  
Not Applicable
  
Sculpture
Used
  
Used
  
Famous Sculptures
Data Not Available
  
Data Not Available
  
Pictographs
Not Used
  
Used
  
Petroglyphs
Not Used
  
Used
  
Figurines
Used
  
Used
  
Fossils
Absent
  
Absent
  
Types of Porphyry and Phyllite
Some rocks according to their use or texture are classified into different types. Know more about Porphyry Texture and Phyllite Texture. Types of Porphyry are Rhomb Porphyry whereas the types of Phyllite are Not Available.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. Porphyry was not used to create pictographs whereas Phyllite is used to create 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. Porphyry was not used to create petroglyphs whereas Phyllite was used to create petroglyphs.