Nephelinite and Pegmatite Types and Facts

Nephelinite

Pegmatite

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1 Types

1.1 Types

Peralkaline Nephelinite

Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite

1.2 Features

Host Rock for Lead

Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz

1.3 Archaeological Significance

1.3.1 Monuments

Used

Not Yet Used

1.3.2 Famous Monuments

Data Not Available

Not Applicable

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Nephelinite and Pegmatite

Some rocks according to their use or texture are classified into different types. Know more about Nephelinite Texture and Pegmatite Texture. Types of Nephelinite are Peralkaline Nephelinite 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. Nephelinite and Pegmatite 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. Nephelinite and Pegmatite were not used for creating petroglyphs.