1 Definition
1.1 Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
1.2 History
1.2.1 Origin
Unknown
1.2.2 Discoverer
Unknown
1.3 Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Vesicular
2.2 Color
Black, Brown, Dark Grey to Black, Red
2.3 Maintenance
More
2.4 Durability
Durable
2.4.1 Water Resistant
✔
✘
81% - Igneous Rocks Rocks have it !
▶
2.4.2 Scratch Resistant
✔
✘
86% - Igneous Rocks Rocks have it !
▶
2.4.3 Stain Resistant
✔
✘
66% - Igneous Rocks Rocks have it !
▶
2.4.4 Wind Resistant
✔
✘
49% - Igneous Rocks Rocks have it !
▶
2.4.5 Acid Resistant
✔
✘
48% - Igneous Rocks Rocks have it !
▶
2.5 Appearance
Glassy and Vesicular
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
Garden Decoration, Paving Stone
3.1.3 Other Architectural Uses
Curbing
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
3.2.2 Medical Industry
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
3.4 Other Uses
3.4.1 Commercial Uses
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
4 Types
4.1 Types
Not Available
4.2 Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
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
Absent
5 Formation
5.1 Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
5.2 Composition
5.2.1 Mineral Content
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
5.2.2 Compound Content
Ca, NaCl
5.3 Transformation
5.3.1 Metamorphism
✔
✘
97% - Igneous Rocks Rocks have it !
▶
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
5.3.3 Weathering
✔
✘
99% - Igneous Rocks Rocks have it !
▶
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
✔
✘
92% - Igneous Rocks Rocks have it !
▶
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.1.2 Grain Size
Fine Grained
6.1.3 Fracture
Conchoidal
6.1.4 Streak
White
6.1.5 Porosity
Highly Porous
6.1.6 Luster
Subvitreous to Dull
6.1.7 Compressive Strength
Not Available
Rank: N/A (Overall) ▶
0.15
450
6.1.8 Cleavage
Perfect
6.1.9 Toughness
2.1
6.1.10 Specific Gravity
6.1.11 Transparency
Opaque
6.1.12 Density
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Not Available
Rank: N/A (Overall) ▶
0.14
3.2
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
7.1.2 Africa
Ethiopia, Kenya, Tanzania
7.1.3 Europe
Greece, Hungary, Iceland, Italy, Turkey
7.1.4 Others
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
7.2.2 South America
Argentina, Chile, Ecuador, Peru
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Western Australia