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Scoria Rock

Scoria Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities

History of Scoria

Origin
Unknown

Discoverer
Unknown

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung

Class
Igneous Rocks
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Sub-Class
Durable Rock, Medium Hardness Rock
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Scoria Family

Group
Volcanic

Other Categories
Fine Grained Rock, Opaque Rock

Scoria Texture

Texture
Vesicular
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Scoria Color
Black, Brown, Dark Grey to Black, Red

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
Glassy and Vesicular
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Scoria Uses

Architecture

Interior Uses
Decorative Aggregates, Interior Decoration
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Exterior Uses
Garden Decoration, Paving Stone
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Other Architectural Uses
Curbing

Industry

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts, Monuments, Sculpture
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Other Uses

Commercial Uses
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
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Scoria Types

Types
Not Available

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
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Archaeological Significance of Scoria

Monuments
Used

Famous Monuments
Data Not Available

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Used

Petroglyphs
Used

Figurines
Used

Fossils
Absent

Formation of Scoria

Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.

Composition

Mineral Content
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
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Compound Content
Ca, NaCl
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Transformation

Metamorphism

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties of Scoria

Physical Properties of Scoria

Hardness
5-6

Grain Size
Fine 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
Subvitreous to Dull
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Compressive Strength
Not Available

Cleavage
Perfect
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Toughness
2.1

Specific Gravity
Not Available

Transparency
Opaque
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Density
Not Available

Thermal Properties of Scoria

Specific Heat Capacity
Not Available

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
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Scoria Reserves

Scoria Deposits in Eastern Continents

Asia
Afghanistan, Indonesia, Japan, Russia

Africa
Ethiopia, Kenya, Tanzania

Europe
Greece, Hungary, Iceland, Italy, Turkey

Others
Not Yet Found

Scoria Deposits in Western Continents

North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA

South America
Argentina, Chile, Ecuador, Peru

Scoria Deposits in Oceania Continent

Australia
New Zealand, Western Australia

Information about Scoria

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 Scoria Uses. We have provided you with all information about Scoria rock here. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Scoria is available in black, brown, dark grey to black, red colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Scoria is white. Get to know more about Scoria rock and characteristics of Scoria rock in the next sections.