Pegmatite and Peridotite Types and Facts
Types
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite
Features
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock
Archaeological Significance
Types of Pegmatite and Peridotite
Some rocks according to their use or texture are classified into different types. Know more about Pegmatite Texture and Peridotite Texture. Types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite whereas the types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite.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. Pegmatite and Peridotite 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. Pegmatite and Peridotite were for creating petroglyphs.