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Dolomite Rock

Dolomite Definition

Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight

History of Dolomite

Origin
Southern Alps, France
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Discoverer
Dolomieu

Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock

Class
Sedimentary Rocks
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Sub-Class
Durable Rock, Medium Hardness Rock
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Dolomite Family

Group
Not Applicable

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Dolomite Texture

Texture
Earthy
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Dolomite Color
Black, Brown, Colourless, Green, Grey, Pink, White

Maintenance
Less
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Glassy or Pearly
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Dolomite Uses

Architecture

Interior Uses
Decorative Aggregates, Homes, Interior Decoration
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Exterior Uses
Garden Decoration, Office Buildings
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Other Architectural Uses
Not Yet Used

Industry

Construction Industry
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock

Medical Industry
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
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Other Uses

Commercial Uses
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
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Dolomite Types

Types
Boninite and Jasperoid

Features
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
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Archaeological Significance of Dolomite

Monuments
Used

Famous Monuments
Data Not Available

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Used

Petroglyphs
Used

Figurines
Used

Fossils
Present

Formation of Dolomite

Formation
Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.

Composition

Mineral Content
Clay Minerals, Pyrite, Quartz, Sulfides
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Compound Content
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
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Transformation

Metamorphism

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering
Not Applicable

Erosion

Types of Erosion
Not Applicable

Properties of Dolomite

Physical Properties of Dolomite

Hardness
3.5-4

Grain Size
Medium to Fine Coarse Grained
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Fracture
Conchoidal
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Streak
White
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Porosity
Less Porous
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Luster
Vitreous and Pearly
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Compressive Strength
140.00 N/mm2
16
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Cleavage
Perfect
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Toughness
1

Specific Gravity
2.8-3

Transparency
Transparent to Translucent
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Density
2.8-2.9 g/cm3

Thermal Properties of Dolomite

Specific Heat Capacity
0.92 kJ/Kg K
10
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Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
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Dolomite Reserves

Dolomite Deposits in Eastern Continents

Asia
China, India

Africa
Morocco, Namibia

Europe
Austria, Italy, Romania, Spain, Switzerland

Others
Not Yet Found

Dolomite Deposits in Western Continents

North America
Mexico, USA

South America
Brazil, Colombia

Dolomite Deposits in Oceania Continent

Australia
New South Wales, Queensland, Yorke Peninsula

Information about Dolomite

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 Dolomite Uses. We have provided you with all information about Dolomite rock here. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Dolomite is available in black, brown, colourless, green, grey, pink, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite is white. Get to know more about Dolomite rock and characteristics of Dolomite rock in the next sections.