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Pegmatite Rock

Types of Hard Rocks

Granite
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Basalt
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Sandstone
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Definition of Pegmatite. Pegmatite Definition </>
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Definition of Pegmatite. Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals
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History describes the place of origin and the discoverer of Pegmatite. History of Pegmatite
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Origin is the place where Pegmatite was first discovered. Origin
Unknown
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Name of Pegmatite discoverer. Discoverer
R. J. Hauy
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Study of origin of the word "Pegmatite". Etymology
From Greek pegma, pegmat which means- thing joined together + -ite
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Category of Rocks. Class
Igneous Rocks
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Sub-class of Pegmatite. Sub-Class
  • Durable Rock
  • Hard Rock
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Nature of rocks which is either volcanic or plutonic according to its formation process. Pegmatite Family
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Group of Pegmatite. It is applicable only to Igneous rocks. Group
Plutonic
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Other categories of Pegmatite excluding Igneous, Sedimentary and Metamorphic. Other Categories
  • Coarse Grained Rock
  • Opaque Rock
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The shape, arrangement and distribution of minerals or grains within Pegmatite. Pegmatite Texture </>
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Arrangement and distribution of minerals within rock. Texture
Pegmatitic
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The colors in which Pegmatite is available. Pegmatite Color
Black, Brown, Cream, Green, Grey, Pink, Red, Rust, Silver, White, Yellow
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Maintenance required for Rocks. Maintenance
Less
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Ability of Rocks to withstand wear, pressure, or damage. Durability
Durable
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The resistance offered by Pegmatite on exposure to Water. Water Resistant
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Resistance offered by Pegmatite to scratches. Scratch Resistant
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Resistance offered by Pegmatite to stains. Stain Resistant
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Resistance offered by Pegmatite to wind. Wind Resistant
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Resistance offered by Pegmatite while reacting with acid. Acid Resistant
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Visual Appearance of Pegmatite. Appearance
Layered, Banded, Veined and Shiny
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Uses of Pegmatite in architecture and construction industry. Pegmatite Uses </>
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Architectural uses of Pegmatite. Architecture
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Interior Uses of Pegmatite which include as Countertops, Decorative Aggregates, Entryways etc. Interior Uses
Decorative Aggregates, Flooring and Interior Decoration
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Exterior Uses of Pegmatite which include as Building Stone, Garden Decoration etc. Exterior Uses
As Building Stone, As Facing Stone and Paving Stone
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Other Architectural Uses of Pegmatite Other Architectural Uses
Curbing
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Industrial uses of Pegmatite. Industry
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Uses of Pegmatite in construction industry. Construction Industry
As Dimension Stone, Building houses or walls, Construction Aggregate, for Road Aggregate, Landscaping
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Uses of Pegmatite in medical industry. Medical Industry
Not Yet Used
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Rocks used to build buildings and monuments, or work of art like sculptures from the ancient past or used for creating artifacts and jewelry. Antiquity Uses
Artifacts, Sculpture and Small Figurines
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Other uses of Pegmatite. Other Uses
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Other commercial uses of Pegmatite. Commercial Uses
Creating Artwork, Jewelry, Source of corundum, tourmalines, beryls and topaz
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Types of Pegmatite. Pegmatite Types </>
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Types of Pegmatite. Types
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
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Unique features of Pegmatite. Features
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
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The systematic study of historical past human life and culture by the recovery and examination of remaining material evidence like graves, buildings, tools, pottery etc. Archaeological Significance of Pegmatite
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Buildings, structures, or sites which are build out of various rocks that are of historical importance. Monuments
Not Yet Used
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Famous Monuments which are built from Pegmatite. Famous Monuments
Not Applicable
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Art of making statues or attractive forms by carving rocks or stones. Sculpture
Used
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Famous Sculptures which are carved using Pegmatite rock. Famous Sculptures
Data Not Available
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Pictographs are paintings or drawings that have been placed on the rock face. Such artworks have typically been made with mineral earths and other natural compounds and they are mostly found in caves, rock shelters and areas with dry climates. Pictographs
Not Used
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A petroglyph is an image which is carved into a rock. This carving produces a visible indentation in the rock by scratching away the weathered surface to reveal unweathered rock of a different color below. Petroglyphs
Not Used
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Small statues which represent a human, deity or animal. Figurines are also referred to statuette. Figurines
Used
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Preserved remains of animals, plants and organisms from past. Fossils
Absent
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Formation of Pegmatite. Formation of Pegmatite </>
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Process of formation of Pegmatite rock. Formation
Pegmatite rock is holocrystalline, intrusive igneous rock which is formed by partial melting and dewatering during the process of metamorphism.
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Composition gives the list of constituents of Pegmatite. Composition
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Mineral content of Pegmatite. Mineral Content
Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz
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Compound content of Pegmatite. Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, Phosphorus Pentoxide
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Change in nature, appearance or form of Pegmatite. Transformation
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Change in form or nature of Pegmatite. Metamorphism
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List of metamorphism processes which Pegmatite undergoes. Types of Metamorphism
  • Burial Metamorphism
  • Cataclastic Metamorphism
  • Contact Metamorphism
  • Hydrothermal Metamorphism
  • Impact Metamorphism
  • Regional Metamorphism
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Change in appearance or texture of Pegmatite due to atmospheric exposure. Weathering
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List of weathering processes which Pegmatite undergoes. Types of Weathering
  • Biological Weathering
  • Chemical Weathering
  • Mechanical Weathering
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Process of gradual destruction of Pegmatite by wind, water or other agents. Erosion
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List of erosion processes which Pegmatite undergoes. Types of Erosion
  • Chemical Erosion
  • Coastal Erosion
  • Glacier Erosion
  • Sea Erosion
  • Water Erosion
  • Wind Erosion
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Thermal and physical properties of Pegmatite. Properties of Pegmatite </>
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Properties that are measurable or whose values describe a state of a physical system of Pegmatite. Physical Properties of Pegmatite
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Measure of ease with which a smooth surface of a rock can be scratched, or of its resistance to abrasion. It is measured on Moh’s Hardness scale. Hardness
7
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Size of individual mineral crystals in Pegmatite. Grain Size
Medium to Coarse Grained
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Cracking or breaking of Pegmatite. Fracture
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Conchoidal fracture is a curved breakage which resembles to the concentric ripples of a mussel shell.Conchoidal
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Color of Pegmatite when powdered. Streak
White
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Porosity of Pegmatite is the quality of being porous, or full of tiny holes. Porosity
Less Porous
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Interaction of light with the surface of Pegmatite. Luster
Grainy, Pearly and Vitreous
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Resistance applied by Rocks to break under compression. Compressive Strength
178.54 N/mm2
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Forms due to deformation and metamorphism in Pegmatite. Cleavage
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When rock deforms, it produces smooth surfaces.Perfect
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Ability to absorb energy and plastically deform without fracturing. Toughness
2.1
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Ratio of density of Pegmatite to the density of reference rock. Specific Gravity
2.6-2.63
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Degree to which light can pass through a rock. Transparency
Translucent to Opaque
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Degree of compactness of a rock. Density
2.6-2.65 g/cm3
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Properties which describe the response of a rock on the application of heat. Thermal Properties of Pegmatite
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Resistance offered by Pegmatite against deformation, wear, scratch and heat. Resistance
  • Heat Resistant
  • Impact Resistant
  • Pressure Resistant
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Reserves of Pegmatite. Pegmatite Reserves </>
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Deposits of Pegmatite in Asia, Africa and Europe which constitute the eastern continents. Pegmatite Deposits in Eastern Continents
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Deposits of Pegmatite in Asian continent. Asia
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
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Deposits of Pegmatite in African continent. Africa
South Africa
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Deposits of Pegmatite in European continent. Europe
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
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List of countries where Pegmatite deposits are found excluding the 6 continents. Others
Not Yet Found
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Deposits of Pegmatite in North and South America which constitute the western continents. Pegmatite Deposits in Western Continents
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Deposits of Pegmatite in North American continent. North America
Canada
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Deposits of Pegmatite in South American continent. South America
Brazil
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Deposits of Pegmatite in Australia which constitute the Oceania continent. Pegmatite Deposits in Oceania Continent
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Deposits of Pegmatite in Australian continent. Australia
New South Wales, Queensland, South Australia, Western Australia

Information about Pegmatite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Pegmatite Uses. We have provided you with all information about Pegmatite rock here. Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Pegmatite is white. Get to know more about Pegmatite rock and characteristics of Pegmatite rock in the next sections.

Characteristics of Pegmatite

Many rocks have distinct characteristics. Some of the Properties of Pegmatite are hardness, structure, streak, fracture etc. Pegmatite is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Pegmatite plays an important role in its identification. The hardness of Pegmatite is 7 on Mohโ€™s hardness scale. Rocks according to their hardness are divided into:Types of Hard Rocks, Types of Soft Rocks and Rocks with Medium Hardness. Fracture of Pegmatite rock is conchoidal. Its specific heat capacity is Not Available. Pegmatite is heat resistant, impact resistant, pressure resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates, Flooring and Interior decoration.
  • Construction Industry: As dimension stone, Building houses or walls, Construction aggregate, For road aggregate, Landscaping.

Know more about Pegmatite rock in the next section.

More About Pegmatite

Pegmatite is a type of Igneous Rocks. The color of rock is one of its important property. Pegmatite rock is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. It is Layered, Banded, Veined and Shiny in appearance. The Pegmatite mineral content includes Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz. Its compound content includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, Phosphorus Pentoxide. Letโ€™s move on to the types of Pegmatite. The types of Pegmatite include Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Pegmatite belongs to Igneous Rocks, fossils are not found in it.