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Dolomite
Dolomite

Epidosite
Epidosite



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Dolomite
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Epidosite

Dolomite vs Epidosite

Definition

Definition

Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt

History

Origin

Southern Alps, France
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Discoverer

Dolomieu
Unknown

Etymology

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

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Texture

Texture

Earthy
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Brown, Green, Grey, Pink, White
Black, Brown, Light to Dark Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Glassy or Pearly
Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration
Decorative Aggregates, Floor Tiles, Homes, Hotels, Interior Decoration

Exterior Uses

Garden Decoration, Office Buildings
As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses

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Curbing

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
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Taken as a Supplement for Calcium or Magnesium
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Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
Artifacts, Monuments, Sculpture, Small Figurines

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)
Commemorative Tablets, Creating Artwork

Types

Types

Boninite and Jasperoid
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Features

Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

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Famous Monuments

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Sculpture

-
-

Famous Sculptures

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Pictographs

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Petroglyphs

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Figurines

-
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Fossils

Present
Absent

Formation

Formation

Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.
Epidosite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Clay Minerals, Pyrite, Quartz, Sulfides
Olivine, Plagioclase, Pyroxene

Compound Content

NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

Types of Weathering

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Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

-
-

Properties

Physical Properties

Hardness

3.5-46
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Fine to Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

White
White to Grey

Porosity

Less Porous
Less Porous

Luster

Vitreous and Pearly
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Compressive Strength

140.00 N/mm2160.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
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Toughness

1
2.3

Specific Gravity

2.8-32.8-3
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.8-2.9 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India
India, Russia

Africa

Morocco, Namibia
South Africa

Europe

Austria, Italy, Romania, Spain, Switzerland
Iceland

Others

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-

Deposits in Western Continents

North America

Mexico, USA
Canada, USA

South America

Brazil, Colombia
Brazil

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Yorke Peninsula
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Dolomite vs Epidosite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Dolomite and Epidosite Reserves. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Dolomite vs Epidosite information and Dolomite vs Epidosite characteristics in the upcoming sections.

Dolomite vs Epidosite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Dolomite vs Epidosite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dolomite and Properties of Epidosite. Learn more about Dolomite vs Epidosite in the next section. The interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Epidosite include Decorative aggregates, Floor tiles, Homes, Hotels and Interior decoration. Due to some exceptional properties of Dolomite and Epidosite, they have various applications in construction industry. The uses of Dolomite in construction industry include 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 and that of Epidosite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Dolomite and Epidosite

Here you can know more about Dolomite and Epidosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dolomite and Epidosite consists of mineral content and compound content. The mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides and mineral content of Epidosite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Sedimentary Rocks. When we have to compare Dolomite vs Epidosite, the texture, color and appearance plays an important role in determining the type of rock. Dolomite is available in black, brown, green, grey, pink, white colors whereas, Epidosite is available in black, brown, light to dark grey colors. Appearance of Dolomite is Glassy or Pearly and that of Epidosite is Dull and Soft. Properties of rock is another aspect for Dolomite vs Epidosite. The hardness of Dolomite is 3.5-4 and that of Epidosite is 6. The types of Dolomite are Boninite and Jasperoid whereas types of Epidosite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite is white while that of Epidosite is white to grey. The specific heat capacity of Dolomite is 0.92 kJ/Kg K and that of Epidosite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Dolomite is heat resistant, pressure resistant, wear resistant whereas Epidosite is heat resistant, pressure resistant, wear resistant.