Dolomite

Greenschist

Dolomite vs Greenschist

Dolomite

Greenschist

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Definition

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

Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism

History

Origin

Southern Alps, France

Discoverer

Dolomieu

Unknown

Etymology

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

From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color

Class

Sedimentary Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Other Categories

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

Texture

Earthy

Foliated, Platy

Color

Black, Brown, Green, Grey, Pink, White

Dark Greenish - Grey, Green

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Glassy or Pearly

Layered and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Bathrooms, Countertops, Decorative Aggregates, Entryways, Homes, Interior Decoration

Exterior Uses

Garden Decoration, Office Buildings

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

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

As Dimension Stone, Building houses or walls, Cement Manufacture, Cutting Tool, for Road Aggregate, Roadstone

Medical Industry

Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Artifacts

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)

Blackboards, Manufacture of tools, Writing Slates

Types

Boninite and Jasperoid

Metamorphic rock

Features

Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits

Easily splits into thin plates, Smooth to touch

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

Formation

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

Greenschist is medium grade metamorphic rock, formed by the metamorphosis of mudstone or shale, or some types of igneous rock, when it is subjected to higher temperatures and pressures.

Composition

Mineral Content

Clay Minerals, Pyrite, Quartz, Sulfides

Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Serpentine, Sillimanite, Staurolite, Talc

Compound Content

NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO

CaO, Carbon Dioxide, MgO

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion

Properties

Physical Properties

Hardness

3.5-43.5-4

1 7

👆🏻

Grain Size

Medium to Fine Coarse Grained

Fracture

Conchoidal

Streak

White

Porosity

Less Porous

Highly Porous

Luster

Vitreous and Pearly

Shiny

Compressive Strength

140.00 N/mm²160.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Slaty

Toughness

1.5

Specific Gravity

2.8-32.5-2.9

0 8.4

👆🏻

Transparency

Transparent to Translucent

Opaque

Density

2.8-2.9 g/cm³2.8-2.9 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

Impact Resistant, Pressure Resistant, Water Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India

Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam

Africa

Morocco, Namibia

Egypt, Ethiopia, Morocco, Nigeria, South Africa

Europe

Austria, Italy, Romania, Spain, Switzerland

Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland

Others

Deposits in Western Continents

North America

Mexico, USA

Canada, Costa Rica, Cuba, Mexico, Panama, USA

South America

Brazil, Colombia

Brazil, Colombia, Guyana

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Yorke Peninsula

New South Wales, New Zealand, Queensland

Dolomite vs Greenschist 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 Greenschist Reserves. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. 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 Greenschist information and Dolomite vs Greenschist characteristics in the upcoming sections.

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Dolomite vs Greenschist 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 Greenschist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dolomite and Properties of Greenschist. Learn more about Dolomite vs Greenschist in the next section. The interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Greenschist include Bathrooms, Countertops, Decorative aggregates, Entryways, Homes and Interior decoration. Due to some exceptional properties of Dolomite and Greenschist, 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 Greenschist include As dimension stone, Building houses or walls, Cement manufacture, Cutting tool, For road aggregate, Roadstone.

More about Dolomite and Greenschist

Here you can know more about Dolomite and Greenschist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dolomite and Greenschist consists of mineral content and compound content. The mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides and mineral content of Greenschist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Serpentine, Sillimanite, Staurolite, Talc. You can also check out the list of all Sedimentary Rocks. When we have to compare Dolomite vs Greenschist, 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, Greenschist is available in dark greenish - grey, green colors. Appearance of Dolomite is Glassy or Pearly and that of Greenschist is Layered and Shiny. Properties of rock is another aspect for Dolomite vs Greenschist. Hardness of Dolomite and Greenschist is 3.5-4. The types of Dolomite are Boninite and Jasperoid whereas types of Greenschist are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite and Greenschist is white. The specific heat capacity of Dolomite is 0.92 kJ/Kg K and that of Greenschist 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 Greenschist is impact resistant, pressure resistant, water resistant.