Diorite and Pegmatite Types and Facts
Types
Plagioclase Diorite and Quartz Diorite
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
Features
Typically speckled black and white.
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
Archaeological Significance
Types of Diorite and Pegmatite
Some rocks according to their use or texture are classified into different types. Know more about Diorite Texture and Pegmatite Texture. Types of Diorite are Plagioclase Diorite and Quartz Diorite 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. Diorite and Pegmatite were 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. Diorite and Pegmatite were for creating petroglyphs.