Porphyry and Comendite Types and Facts
Types
Rhomb Porphyry
Rhyolite
Features
Generally rough to touch, Is one of the oldest rock, Surfaces are often shiny
Very fine grained rock, It is One of the Oldest, Strongest and Hardest Rock
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
Types of Porphyry and Comendite
Some rocks according to their use or texture are classified into different types. Know more about Porphyry Texture and Comendite Texture. Types of Porphyry are Rhomb Porphyry whereas the types of Comendite are Rhyolite.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 and Comendite 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. Porphyry and Comendite were not used for creating petroglyphs.