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Evaporite
Evaporite

Skarn
Skarn



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Evaporite vs Skarn

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Definition

Definition

A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin

History

Origin

USA
USA, Australia

Discoverer

Usiglio
Tornebohm

Etymology

From a sediment left after the evaporation
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.

Class

Sedimentary Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Earthy
Earthy, Mud-rich, Rough

Color

Green, Grey, Silver, White
Black, Brown, Green, Grey, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Glassy, Vesicular and Foilated
Dull

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration
Decorative Aggregates, Entryways, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
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
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, Gold and Silver production, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

Taken as a Supplement for Calcium or Magnesium
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite
Creating Artwork, Gemstone, Jewelry, Metallurgical Flux, Source of Magnesia (MgO)

Types

Types

Sedimentary rock
Endoskarns

Features

Generally rough to touch, Splintery, Veined
Host Rock for Lead, Zinc and Copper Deposits

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Skarn is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Calcite, Cancrinite, Gypsum, Kyanite, Magnetite
Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite

Compound Content

CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl
Au, CaO, Carbon Dioxide, Cu, Fe, MgO

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

-
-

Erosion

Types of Erosion

-
-

Properties

Physical Properties

Hardness

2-36.5
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Fine Grained

Fracture

Conchoidal
Irregular

Streak

White
Light to dark brown

Porosity

Less Porous
Less Porous

Luster

Subvitreous to Dull
Waxy and Dull

Compressive Strength

225.00 N/mm270.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
Slaty

Toughness

-
2.4

Specific Gravity

2.86-2.992.86
0 8.4
👆🏻

Transparency

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 K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant
Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

-
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka

Africa

-
South Africa, Western Africa

Europe

United Kingdom
United Kingdom

Others

-
-

Deposits in Western Continents

North America

USA
Canada

South America

Colombia, Paraguay
Brazil, Colombia, Paraguay

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
Central Australia, Western Australia

Evaporite vs Skarn 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 Evaporite and Skarn Reserves. A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. 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 Evaporite vs Skarn information and Evaporite vs Skarn characteristics in the upcoming sections.

Evaporite vs Skarn 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. Evaporite vs Skarn characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Evaporite and Properties of Skarn. Learn more about Evaporite vs Skarn in the next section. The interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration whereas the interior uses of Skarn include Decorative aggregates, Entryways and Interior decoration. Due to some exceptional properties of Evaporite and Skarn, they have various applications in construction industry. The uses of Evaporite 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 and that of Skarn 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, Gold and silver production, Manufacture of magnesium and dolomite refractories.

More about Evaporite and Skarn

Here you can know more about Evaporite and Skarn. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Evaporite and Skarn consists of mineral content and compound content. The mineral content of Evaporite includes Calcite, Cancrinite, Gypsum, Kyanite, Magnetite and mineral content of Skarn includes Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite. You can also check out the list of all Sedimentary Rocks. When we have to compare Evaporite vs Skarn, the texture, color and appearance plays an important role in determining the type of rock. Evaporite is available in green, grey, silver, white colors whereas, Skarn is available in black, brown, green, grey, white colors. Appearance of Evaporite is Glassy, Vesicular and Foilated and that of Skarn is Dull. Properties of rock is another aspect for Evaporite vs Skarn. The hardness of Evaporite is 2-3 and that of Skarn is 6.5. The types of Evaporite are Sedimentary rock whereas types of Skarn are Endoskarns. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Evaporite is white while that of Skarn is light to dark brown. The specific heat capacity of Evaporite is 0.92 kJ/Kg K and that of Skarn is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Evaporite is heat resistant, pressure resistant whereas Skarn is heat resistant.