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Blueschist
Blueschist

Evaporite
Evaporite



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Blueschist
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Evaporite

Blueschist vs Evaporite

Definition

Definition

Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution

History

Origin

USA
USA

Discoverer

Edgar Bailey
Usiglio

Etymology

From French schiste, Greek skhistos i.e. split
From a sediment left after the evaporation

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Foliated
Earthy

Color

Blue, Bluish - Grey, Purple, Shades of Blue
Green, Grey, Silver, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Banded
Glassy, Vesicular and Foilated

Uses

Architecture

Interior Uses

Floor Tiles, Flooring, Homes, Hotels, Kitchens
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

-
Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
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

Medical Industry

-
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Tombstones
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite

Types

Types

Metamorphic rock
Sedimentary rock

Features

Has High structural resistance against erosion and climate, Very fine grained rock
Generally rough to touch, Splintery, Veined

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Blueschist forms due to the metamorphism of basalt and other rocks with similar composition at high pressures and low temperatures and approximately corresponding to a depth of 15 to 30 kilometers and 200 to 500 °C.
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.

Composition

Mineral Content

Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Mechanical Weathering
-

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion
-

Properties

Physical Properties

Hardness

3.5-42-3
1 7
👆🏻

Grain Size

Fine to Medium Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

White to Grey
White

Porosity

Highly Porous
Less Porous

Luster

Dull
Subvitreous to Dull

Compressive Strength

220.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
Perfect

Toughness

1.5
-

Specific Gravity

3-3.22.86-2.99
0 8.4
👆🏻

Transparency

Opaque
Translucent

Density

2.8-2.9 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Impact Resistant, Pressure Resistant
Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

Japan, Turkey
-

Africa

Egypt, Ethiopia, South Africa
-

Europe

France, Greece, Iceland
United Kingdom

Others

-
-

Deposits in Western Continents

North America

USA
USA

South America

-
Colombia, Paraguay

Deposits in Oceania Continent

Australia

New Zealand
Central Australia, Western Australia

Blueschist vs Evaporite 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 Blueschist and Evaporite Reserves. Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature. A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. 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 Blueschist vs Evaporite information and Blueschist vs Evaporite characteristics in the upcoming sections.

Blueschist vs Evaporite 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. Blueschist vs Evaporite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Blueschist and Properties of Evaporite. Learn more about Blueschist vs Evaporite in the next section. The interior uses of Blueschist include Floor tiles, Flooring, Homes, Hotels and Kitchens whereas the interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Blueschist and Evaporite, they have various applications in construction industry. The uses of Blueschist in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Evaporite 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.

More about Blueschist and Evaporite

Here you can know more about Blueschist and Evaporite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Blueschist and Evaporite consists of mineral content and compound content. The mineral content of Blueschist includes Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz and mineral content of Evaporite includes Calcite, Cancrinite, Gypsum, Kyanite, Magnetite. You can also check out the list of all Igneous Rocks. When we have to compare Blueschist vs Evaporite, the texture, color and appearance plays an important role in determining the type of rock. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas, Evaporite is available in green, grey, silver, white colors. Appearance of Blueschist is Dull and Banded and that of Evaporite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Blueschist vs Evaporite. The hardness of Blueschist is 3.5-4 and that of Evaporite is 2-3. The types of Blueschist are Metamorphic rock whereas types of Evaporite are Sedimentary rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Blueschist is white to grey while that of Evaporite is white. The specific heat capacity of Blueschist is 0.84 kJ/Kg K and that of Evaporite 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.Blueschist is impact resistant, pressure resistant whereas Evaporite is heat resistant, pressure resistant.