Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals
From Greek pegma, pegmat which means- thing joined together + -ite
Coarse Grained Rock, Opaque Rock
Black, Brown, Cream, Green, Grey, Pink, Red, Rust, Silver, White, Yellow
Layered, Banded, Veined and Shiny
Decorative Aggregates, Flooring, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone
As Dimension Stone, Building houses or walls, Construction Aggregate, for Road Aggregate, Landscaping
Artifacts, Sculpture, Small Figurines
Creating Artwork, Jewelry, Source of corundum, tourmalines, beryls and topaz
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
Archaeological Significance
Pegmatite rock is holocrystalline, intrusive igneous rock which is formed by partial melting and dewatering during the process of metamorphism.
Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, Phosphorus Pentoxide
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Grainy, Pearly and Vitreous
Heat Resistant, Impact Resistant, Pressure Resistant
Deposits in Eastern Continents
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
Deposits in Western Continents
Deposits in Oceania Continent
New South Wales, Queensland, South Australia, Western Australia
Learn more about Properties of Pegmatite
What is Pegmatite? In this section, we will learn more about properties of Pegmatite i.e. physical and thermal properties. Physical properties of Pegmatite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Pegmatite is 178.54 N/mm2. Streak of Pegmatite is white while its cleavage is perfect. Luster of Pegmatite is grainy, pearly and vitreous and its fracture is conchoidal. Pegmatite is translucent to opaque in nature. Know all about Pegmatite, What is Pegmatite, its composition, features, facts and reserves in next sections.
Know about Composition of Pegmatite
What is Pegmatite composed of? Get to know about composition of Pegmatite here. Pegmatite definition gives information about the Formation of Pegmatite and its composition.The composition of Pegmatite can be further divided into mineral and compound content. The mineral content of Pegmatite rock includes Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz and The compound content of Pegmatite rock includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, Phosphorus Pentoxide. Almost all rocks undergo transformation process. Know all about Pegmatite rock in next section.