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Phyllite Rock

Types of Soft Rocks

Coal
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Chalk
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Mudstone
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Phyllite Definition

Definition
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks

History of Phyllite

Origin
Unknown
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Discoverer
Unknown

Etymology
From Greek phullon leaf + -ite1

Class
Metamorphic Rocks
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Sub-Class
Durable Rock, Soft Rock
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Phyllite Family

Group
Not Applicable

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Phyllite Texture

Texture
Phyllitic Sheen, Slaty
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Phyllite Color
Black to Grey, Light Greenish Grey

Maintenance
More
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Crinkled or Wavy
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Phyllite Uses

Architecture

Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
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Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
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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

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts, Sculpture
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Other Uses

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Writing Slates
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Phyllite Types

Types
Not Available

Features
Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
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Archaeological Significance of Phyllite

Monuments
Not Yet Used

Famous Monuments
Not Applicable

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Used

Petroglyphs
Used

Figurines
Used

Fossils
Absent

Formation of Phyllite

Formation
Phyllite is a metamorphic rock which is formed by regional metamorphism of argillaceous sediments since their cleavage arose due to deviatoric stress.

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
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Compound Content
CaO, Carbon Dioxide, MgO
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Transformation

Metamorphism

Types of Metamorphism
Not Applicable

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 of Phyllite

Physical Properties of Phyllite

Hardness
1-2

Grain Size
Medium to Fine Coarse Grained
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Fracture
Conchoidal
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Streak
White
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Porosity
Highly Porous
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Luster
Phyllitic
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Compressive Strength
Not Available
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Cleavage
Crenulation and Pervasive
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Toughness
1.2

Specific Gravity
2.72-2.73

Transparency
Opaque
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Density
2.18-3.3 g/cm3

Thermal Properties of Phyllite

Specific Heat Capacity
Not Available
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Resistance
Heat Resistant, Pressure Resistant, Water Resistant
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Phyllite Reserves

Phyllite Deposits in Eastern Continents

Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam

Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa

Europe
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland

Others
Not Yet Found

Phyllite Deposits in Western Continents

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

South America
Brazil, Colombia, Guyana

Phyllite Deposits in Oceania Continent

Australia
New South Wales, New Zealand, Queensland

Information about Phyllite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Phyllite Uses. We have provided you with all information about Phyllite rock here. Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Phyllite is available in black to grey, light greenish grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Phyllite is white. Get to know more about Phyllite rock and characteristics of Phyllite rock in the next sections.

Characteristics of Phyllite

Many rocks have distinct characteristics. Some of the Properties of Phyllite are hardness, structure, streak, fracture etc. Phyllite is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Phyllite plays an important role in its identification. The hardness of Phyllite is 1-2 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness. Fracture of Phyllite rock is conchoidal. Its specific heat capacity is Not Available. Phyllite is heat resistant, pressure resistant, water resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates, Floor tiles, Homes and Interior decoration.
  • Construction Industry: As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate, Raw material for the manufacture of mortar, Roadstone.

Know more about Phyllite rock in the next section.

More About Phyllite

Phyllite is a type of Metamorphic Rocks. The color of rock is one of its important property. Phyllite rock is available in black to grey, light greenish grey colors. It is Crinkled or Wavy in appearance. The Phyllite mineral content includes Albite, Alusite, Amphibole, Apatite, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc, Zircon. Its compound content includes CaO, Carbon Dioxide, MgO. Let’s move on to the types of Phyllite. Phyllite rock does not have any types. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Phyllite belongs to Metamorphic Rocks, fossils are not found in it.