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Dolomite
Dolomite

Andesite
Andesite



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Dolomite vs Andesite

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Definition

Definition

Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

History

Origin

Southern Alps, France
North America

Discoverer

Dolomieu
Theodor von Gümbel

Etymology

From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Andes mountains, where it is found in abundance

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Earthy
Aphanitic to Porphyritic

Color

Black, Brown, Green, Grey, Pink, White
Bluish - Grey, Grey, Pink, Yellow

Maintenance

Less
More

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, Interior Decoration, Kitchens

Exterior Uses

Garden Decoration, Office Buildings
Office Buildings, Roof Tiles

Other Architectural Uses

-
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
Cobblestones, Construction Aggregate, for Road Aggregate

Medical Industry

Taken as a Supplement for Calcium or Magnesium
-

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
Icelandite

Features

Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
Generally rough to touch, High silica content, Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Middle of the Earth in Ecuador

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

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.
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

Composition

Mineral Content

Clay Minerals, Pyrite, Quartz, Sulfides
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

Compound Content

NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

-
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

-
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

3.5-47
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Very fine-grained

Fracture

Conchoidal
Uneven

Streak

White
White

Porosity

Less Porous
Less Porous

Luster

Vitreous and Pearly
Vitreous

Compressive Strength

140.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

1
1.1

Specific Gravity

2.8-32.5-2.8
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.8-2.9 g/cm32.11-2.36 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K2.39 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, Indonesia, Japan, Nepal, South Korea

Africa

Morocco, Namibia
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania

Europe

Austria, Italy, Romania, Spain, Switzerland
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Mexico, USA
Mexico, USA

South America

Brazil, Colombia
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Western Australia

Dolomite vs Andesite 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 Andesite Reserves. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Andesite information and Dolomite vs Andesite characteristics in the upcoming sections.

Dolomite vs Andesite 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 Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dolomite and Properties of Andesite. Learn more about Dolomite vs Andesite in the next section. The interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Dolomite and Andesite, 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 Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Dolomite and Andesite

Here you can know more about Dolomite and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dolomite and Andesite consists of mineral content and compound content. The mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Dolomite vs Andesite, 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, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Dolomite is Glassy or Pearly and that of Andesite is Dull and Soft. Properties of rock is another aspect for Dolomite vs Andesite. The hardness of Dolomite is 3.5-4 and that of Andesite is 7. The types of Dolomite are Boninite and Jasperoid whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite and Andesite is white. The specific heat capacity of Dolomite is 0.92 kJ/Kg K and that of Andesite is 2.39 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 Andesite is heat resistant, pressure resistant, wear resistant.