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Dunite Rock

Rocks with Medium Hardness

Slate
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Obsidian
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Marble
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Definition of Dunite. Dunite Definition </>
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Definition of Dunite. Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
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History describes the place of origin and the discoverer of Dunite. History of Dunite
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Origin is the place where Dunite was first discovered. Origin
New Zealand
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Name of Dunite discoverer. Discoverer
Ferdinand von Hochstetter
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Study of origin of the word "Dunite". Etymology
From the name of Dun Mountain, New Zealand, + -ite1
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Category of Rocks. Class
Igneous Rocks
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Sub-class of Dunite. Sub-Class
  • Durable Rock
  • Medium Hardness Rock
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Nature of rocks which is either volcanic or plutonic according to its formation process. Dunite Family
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Group of Dunite. It is applicable only to Igneous rocks. Group
Plutonic
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Other categories of Dunite 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 Dunite. Dunite Texture </>
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Arrangement and distribution of minerals within rock. Texture
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Phaneritic texture refers to the size of matrix grains in the rock is large enough to be distinguished with the unaided eye.Phaneritic
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The colors in which Dunite is available. Dunite Color
Dark Greenish - Grey
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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 Dunite on exposure to Water. Water Resistant
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Resistance offered by Dunite to scratches. Scratch Resistant
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Resistance offered by Dunite to stains. Stain Resistant
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Resistance offered by Dunite to wind. Wind Resistant
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Resistance offered by Dunite while reacting with acid. Acid Resistant
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Visual Appearance of Dunite. Appearance
Rough and Shiny
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Uses of Dunite in architecture and construction industry. Dunite Uses </>
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Architectural uses of Dunite. Architecture
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Interior Uses of Dunite which include as Countertops, Decorative Aggregates, Entryways etc. Interior Uses
Decorative Aggregates and Interior Decoration
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Exterior Uses of Dunite which include as Building Stone, Garden Decoration etc. Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration and Paving Stone
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Other Architectural Uses of Dunite Other Architectural Uses
Curbing
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Industrial uses of Dunite. Industry
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Uses of Dunite in construction industry. Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar
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Uses of Dunite 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, Monuments, Sculpture and Small Figurines
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Other uses of Dunite. Other Uses
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Other commercial uses of Dunite. Commercial Uses
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds
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Types of Dunite. Dunite Types </>
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Types of Dunite. Types
Not Available
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Unique features of Dunite. Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock
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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 Dunite
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Buildings, structures, or sites which are build out of various rocks that are of historical importance. Monuments
Used
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Famous Monuments which are built from Dunite. Famous Monuments
Data Not Available
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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 Dunite 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
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
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 Dunite. Formation of Dunite </>
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Process of formation of Dunite rock. Formation
Dunite is a plutonic ultramafic igneous rock consisting almost m olivine. It can be formed in two ways.
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Composition gives the list of constituents of Dunite. Composition
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Mineral content of Dunite. Mineral Content
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene
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Compound content of Dunite. Compound Content
Ca, CaO, Fe, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide
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Change in nature, appearance or form of Dunite. Transformation
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Change in form or nature of Dunite. Metamorphism
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List of metamorphism processes which Dunite undergoes. Types of Metamorphism
  • Burial Metamorphism
  • Cataclastic Metamorphism
  • Contact Metamorphism
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Change in appearance or texture of Dunite due to atmospheric exposure. Weathering
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List of weathering processes which Dunite undergoes. Types of Weathering
  • Biological Weathering
  • Chemical Weathering
  • Mechanical Weathering
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Process of gradual destruction of Dunite by wind, water or other agents. Erosion
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List of erosion processes which Dunite undergoes. Types of Erosion
  • Coastal Erosion
  • Glacier Erosion
  • Water Erosion
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Thermal and physical properties of Dunite. Properties of Dunite </>
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Properties that are measurable or whose values describe a state of a physical system of Dunite. Physical Properties of Dunite
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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
3.5-4
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Size of individual mineral crystals in Dunite. Grain Size
Coarse Grained
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Cracking or breaking of Dunite. Fracture
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Fracture surface of the rock is rough and irregular.Irregular
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Color of Dunite when powdered. Streak
White
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Porosity of Dunite 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 Dunite. Luster
Shiny
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Resistance applied by Rocks to break under compression. Compressive Strength
107.55 N/mm2
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Forms due to deformation and metamorphism in Dunite. Cleavage
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When a rock deforms, it produces planes that are not smooth.Imperfect
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Ability to absorb energy and plastically deform without fracturing. Toughness
2.1
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Ratio of density of Dunite to the density of reference rock. Specific Gravity
3-3.01
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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
2.84-2.85 g/cm3
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Properties which describe the response of a rock on the application of heat. Thermal Properties of Dunite
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Amount of heat per unit mass required to raise the temperature by one degree Celsius. Specific Heat Capacity
1.25 kJ/Kg K
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Resistance offered by Dunite against deformation, wear, scratch and heat. Resistance
  • Heat Resistant
  • Pressure Resistant
  • Wear Resistant
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Reserves of Dunite. Dunite Reserves </>
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Deposits of Dunite in Asia, Africa and Europe which constitute the eastern continents. Dunite Deposits in Eastern Continents
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Deposits of Dunite in Asian continent. Asia
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
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Deposits of Dunite in African continent. Africa
Morocco, South Africa
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Deposits of Dunite in European continent. Europe
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
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List of countries where Dunite deposits are found excluding the 6 continents. Others
Not Yet Found
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Deposits of Dunite in North and South America which constitute the western continents. Dunite Deposits in Western Continents
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Deposits of Dunite in North American continent. North America
Canada, USA
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Deposits of Dunite in South American continent. South America
Argentina, Brazil, Colombia, Ecuador, Venezuela
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Deposits of Dunite in Australia which constitute the Oceania continent. Dunite Deposits in Oceania Continent
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Deposits of Dunite in Australian continent. Australia
New Zealand, Western Australia

Information about Dunite

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 Dunite Uses. We have provided you with all information about Dunite rock here. Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Dunite is available in dark greenish - grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dunite is white. Get to know more about Dunite rock and characteristics of Dunite rock in the next sections.

Characteristics of Dunite

Many rocks have distinct characteristics. Some of the Properties of Dunite are hardness, structure, streak, fracture etc. Dunite is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Dunite plays an important role in its identification. The hardness of Dunite is 3.5-4 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 Dunite rock is irregular. Its specific heat capacity is 1.25 kJ/Kg K. Dunite is heat resistant, pressure resistant, wear resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates and Interior decoration.
  • Construction Industry: As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.

Know more about Dunite rock in the next section.

More About Dunite

Dunite is a type of Igneous Rocks. The color of rock is one of its important property. Dunite rock is available in dark greenish - grey colors. It is Rough and Shiny in appearance. The Dunite mineral content includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene. Its compound content includes Ca, CaO, Fe, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide. Letโ€™s move on to the types of Dunite. Dunite rock does not have any types. 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 Dunite belongs to Igneous Rocks, fossils are not found in it.