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Phyllite
Phyllite

Anthracite
Anthracite



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Phyllite
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Anthracite

Phyllite vs Anthracite

Definition

Definition

Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster

History

Origin

-
Pennsylvania, U.S.

Discoverer

Unknown
Unknown

Etymology

From Greek phullon leaf + -ite1
From Greek anthrakites, from anthrax, anthrak meaning coal

Class

Metamorphic Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Soft Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Phyllitic Sheen, Slaty
Amorphous, Glassy

Color

Black to Grey, Light Greenish Grey
Black, Brown, Dark Brown, Grey, Light to Dark Grey

Maintenance

More
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Crinkled or Wavy
Veined or Pebbled

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
-

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration
-

Other Architectural Uses

Curbing
-

Industry

Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar, Roadstone
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production

Medical Industry

-
In Chemical and Pharmaceutical Industry, Manufacture of Aspirins

Antiquity Uses

Artifacts, Sculpture
-

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork, Writing Slates
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry

Types

Types

Phyllite
Semi-anthracite and Meta-anthracite

Features

Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
Helps in production of Heat and Electricity, Used as fossil fuel

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Phyllite is a metamorphic rock which is formed by regional metamorphism of argillaceous sediments since their cleavage arose due to deviatoric stress.
Anthracite forms from the accumulation of plant debris in a swamp environment. When plant debris dies and falls into the swamp, the standing water of the swamp protects it from decay.

Composition

Mineral Content

Albite, Alusite, Amphibole, Apatite, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc, Zircon
Calcite, Clay, Clay Minerals

Compound Content

CaO, Carbon Dioxide, MgO
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
-

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

1-21-1.5
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

White
Black

Porosity

Highly Porous
Less Porous

Luster

Phyllitic
Shiny

Compressive Strength

50.00 N/mm2-
0.15 450
👆🏻

Cleavage

Crenulation and Pervasive
-

Toughness

1.2
-

Specific Gravity

2.72-2.731.1-1.4
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.18-3.3 g/cm31.25-2.5 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K1.32 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Water Resistant

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam

Africa

Egypt, Ethiopia, Morocco, Nigeria, South Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania

Europe

Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom

Others

-
-

Deposits in Western Continents

North America

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

South America

Brazil, Colombia, Guyana
Brazil, Chile, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland
New South Wales, Queensland, Victoria

Phyllite vs Anthracite 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 Phyllite and Anthracite Reserves. Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Phyllite vs Anthracite information and Phyllite vs Anthracite characteristics in the upcoming sections.

Phyllite vs Anthracite 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. Phyllite vs Anthracite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Phyllite and Properties of Anthracite. Learn more about Phyllite vs Anthracite in the next section. The interior uses of Phyllite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Anthracite include . Due to some exceptional properties of Phyllite and Anthracite, they have various applications in construction industry. The uses of Phyllite in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate, Raw material for the manufacture of mortar, Roadstone and that of Anthracite include Cement manufacture, For road aggregate, Making natural cement, Steel production.

More about Phyllite and Anthracite

Here you can know more about Phyllite and Anthracite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Phyllite and Anthracite consists of mineral content and compound content. The mineral content of Phyllite includes Albite, Alusite, Amphibole, Apatite, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc, Zircon and mineral content of Anthracite includes Calcite, Clay, Clay Minerals. You can also check out the list of all Metamorphic Rocks. When we have to compare Phyllite vs Anthracite, the texture, color and appearance plays an important role in determining the type of rock. Phyllite is available in black to grey, light greenish grey colors whereas, Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. Appearance of Phyllite is Crinkled or Wavy and that of Anthracite is Veined or Pebbled. Properties of rock is another aspect for Phyllite vs Anthracite. The hardness of Phyllite is 1-2 and that of Anthracite is 1-1.5. The types of Phyllite are Phyllite whereas types of Anthracite are Semi-anthracite and Meta-anthracite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Phyllite is white while that of Anthracite is black. The specific heat capacity of Phyllite is 0.79 kJ/Kg K and that of Anthracite is 1.32 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Phyllite is heat resistant, pressure resistant, water resistant whereas Anthracite is heat resistant, water resistant.