What is Argillite?

Argillite

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1 Definition

1.1 Definition

Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate

1.2 History

1.2.1 Origin

Unknown

1.2.2 Discoverer

Unknown

1.3 Etymology

From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite

1.4 Class

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Clastic, Polished

2.2 Color

Dark Grey to Black, Pink, Red, White

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

59% Sedimentary Rocks Rocks have it !

2.4.2 Scratch Resistant

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62% Sedimentary Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

43% Sedimentary Rocks Rocks have it !

2.4.4 Wind Resistant

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38% Sedimentary Rocks Rocks have it !

2.4.5 Acid Resistant

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22% Sedimentary Rocks Rocks have it !

2.5 Appearance

Rough and Dull

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Homes, Interior Decoration

3.1.2 Exterior Uses

As Building Stone, Garden Decoration, Office Buildings

3.1.3 Other Architectural Uses

Curbing, Whetstones

3.2 Industry

3.2.1 Construction Industry

Used for flooring, stair treads, borders and window sills.

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture

3.4 Other Uses

3.4.1 Commercial Uses

Fire resistant, Used to manufracture paperweights and bookends

4 Types

4.1 Types

Not Available

4.2 Features

Is one of the oldest rock

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Used

4.4 Fossils

Present

5 Formation

5.1 Formation

An argillite is a fine-grained sedimentary rock mainly composed of clay particles which forms from lithified muds which contain variable amounts of silt-sized particles.

5.2 Composition

5.2.1 Mineral Content

Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz

5.2.2 Compound Content

Iron(III) Oxide, Potassium Oxide, MgO, Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

19% Sedimentary Rocks Rocks have it !

5.3.2 Types of Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

78% Sedimentary Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering

5.3.5 Erosion

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86% Sedimentary Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

2-3

6.1.2 Grain Size

Fine Grained

6.1.3 Fracture

Conchoidal to Uneven

6.1.4 Streak

White to Grey

6.1.5 Porosity

Highly Porous

6.1.6 Luster

Waxy and Dull

6.1.7 Compressive Strength

What Is Flint

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▶

▼

Not Available

Rank: N/A (Overall)▶

▲

What Is Obsidian

⊕

▶

175 (What Is Grani..)

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6.1.8 Cleavage

Slaty

6.1.9 Toughness

2.6

6.1.10 Specific Gravity

2.56-2.68

6.1.11 Transparency

Opaque

6.1.12 Density

2.54-2.66 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

What Is Banded ..

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▶

▼

0.87 kJ/Kg K

Rank: 14 (Overall)▶

▲

What Is Granulite

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▶

1.09 (What Is Trave..)

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6.2.2 Resistance

Heat Resistant, Impact Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

Bangladesh, China, India, Russia

7.1.2 Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania

7.1.3 Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

USA

7.2.2 South America

Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, New Zealand, Queensland, Victoria, Western Australia

Fossil Rocks » More

Coquina

Jaspillite

Diamictite

Wackestone

Itacolumite

Basanite

More Fossil Rocks

Learn more about Properties of Argillite

What is Argillite? In this section, we will learn more about properties of Argillite i.e. physical and thermal properties. Physical properties of Argillite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Argillite is Not Available. Streak of Argillite is white to grey while its cleavage is slaty. Luster of Argillite is waxy and dull and its fracture is conchoidal to uneven. Argillite is opaque in nature. Know all about Argillite, What is Argillite, its composition, features, facts and reserves in next sections.

Know about Composition of Argillite

What is Argillite composed of? Get to know about composition of Argillite here. Argillite definition gives information about the Formation of Argillite and its composition.The composition of Argillite can be further divided into mineral and compound content. The mineral content of Argillite rock includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz and The compound content of Argillite rock includes Iron(III) Oxide, Potassium Oxide, MgO, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Argillite rock in next section.