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Schist
Schist

Granulite
Granulite



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Schist vs Granulite

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Definition

Definition

Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.

History

Origin

-
Central Europe

Discoverer

Unknown
Unknown

Etymology

From French schiste, Greek skhistos i.e. split
From Latin granulum, a little grain or fine grained

Class

Metamorphic Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Foliated, Platy
Granoblastic

Color

Black, Blue, Brown, Dark Brown, Green, Grey, Silver
Black, Brown

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered and Shiny
Veined or Pebbled

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Interior Decoration
Bathrooms, Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads

Exterior Uses

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

Other Architectural Uses

-
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Used in aquariums, Writing Slates
Curling, Gemstone, Laboratory bench tops, Soil Conditioner, Tombstones

Types

Types

Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.
Metamorphic rock

Features

Easily splits into thin plates, Smooth to touch
Clasts are smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.
Granulite is a fine-grained granular metamorphic rock in which the main component minerals are feldspars and quartz and forms at high temperature and pressure conditions.

Composition

Mineral Content

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

Compound Content

CaO, Carbon Dioxide, MgO
Aluminium Oxide, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Sulfur Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
-

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3.5-46-7
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Medium to Coarse Grained

Fracture

Conchoidal
-

Streak

White
White

Porosity

Highly Porous
Very Less Porous

Luster

Shiny
Vitreous

Compressive Strength

150.00 N/mm2175.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
-

Toughness

1.5
-

Specific Gravity

2.5-2.92.8-3.0
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.8-2.9 g/cm33.06-3.33 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.70 kJ/Kg K0.14 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Impact Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

Egypt, Ethiopia, Morocco, Nigeria, South Africa
Angola, Egypt, Madagascar, Nigeria, South Africa

Europe

Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

Others

-
-

Deposits in Western Continents

North America

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

South America

Brazil, Colombia, Guyana
-

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland
-

Schist vs Granulite 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 Schist and Granulite Reserves. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.. 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 Schist vs Granulite information and Schist vs Granulite characteristics in the upcoming sections.

Schist vs Granulite 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. Schist vs Granulite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Schist and Properties of Granulite. Learn more about Schist vs Granulite in the next section. The interior uses of Schist include Decorative aggregates, Floor tiles and Interior decoration whereas the interior uses of Granulite include Bathrooms, Countertops, Decorative aggregates, Entryways, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads. Due to some exceptional properties of Schist and Granulite, they have various applications in construction industry. The uses of Schist in construction industry include As dimension stone, Building houses or walls, Cement manufacture, For road aggregate, Roadstone and that of Granulite include As dimension stone, Building houses or walls.

More about Schist and Granulite

Here you can know more about Schist and Granulite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Schist and Granulite consists of mineral content and compound content. The mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc and mineral content of Granulite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Schist vs Granulite, the texture, color and appearance plays an important role in determining the type of rock. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas, Granulite is available in black, brown colors. Appearance of Schist is Layered and Shiny and that of Granulite is Veined or Pebbled. Properties of rock is another aspect for Schist vs Granulite. The hardness of Schist is 3.5-4 and that of Granulite is 6-7. The types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist. whereas types of Granulite are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Schist and Granulite is white. The specific heat capacity of Schist is 0.70 kJ/Kg K and that of Granulite is 0.14 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Schist is impact resistant, pressure resistant, water resistant whereas Granulite is heat resistant, wear resistant.