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Scoria
Scoria

Nephelinite
Nephelinite



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Scoria vs Nephelinite

1 Definition
1.1 Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
1.2 History
1.2.1 Origin
Unknown
Brazil
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
from French néphéline, from Greek nephelē
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Vesicular
Aphanitic
2.2 Color
Black, Brown, Dark Grey to Black, Red
Black, Brown, Colourless, Green, Grey, White
2.3 Maintenance
More
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
2.4.2 Scratch Resistant
2.4.3 Stain Resistant
2.4.4 Wind Resistant
2.4.5 Acid Resistant
2.5 Appearance
Glassy and Vesicular
Skeletal
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration
3.1.2 Exterior Uses
Garden Decoration, Paving Stone
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture, Small Figurines
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
Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)
4 Types
4.1 Types
Not Available
Peralkaline Nephelinite
4.2 Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Host Rock for Lead
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Data Not Available
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Not Used
4.3.6 Petroglyphs
Used
Not Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
Nephelinite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
5.2 Composition
5.2.1 Mineral Content
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Clinopyroxene, Nepheline, Plagioclase
5.2.2 Compound Content
Ca, NaCl
Ca, CaO, Carbon, Cl, MgO
5.3 Transformation
5.3.1 Metamorphism
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Contact Metamorphism
5.3.3 Weathering
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
Chemical Erosion, Water Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5-66.5
Coal
1 7
6.1.2 Grain Size
Fine Grained
Fine Grained
6.1.3 Fracture
Conchoidal
Flat
6.1.4 Streak
White
White
6.1.5 Porosity
Highly Porous
Less Porous
6.1.6 Luster
Subvitreous to Dull
Vitreous to Metallic
6.1.7 Compressive Strength
NA35.00 N/mm2
Obsidian
0.15 450
6.1.8 Cleavage
Perfect
Imperfect
6.1.9 Toughness
2.1
2.7
6.1.10 Specific Gravity
Not Available2.4-2.9
Granite
0 8.4
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
Not Available2.5-3 g/cm3
Granite
0 1400
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
NA0.88 kJ/Kg K
Granulite
0.14 3.2
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Japan
7.1.2 Africa
Ethiopia, Kenya, Tanzania
Rwanda, Tanzania
7.1.3 Europe
Greece, Hungary, Iceland, Italy, Turkey
Not Yet Found
7.1.4 Others
Not Yet Found
Hawaii Islands
7.2 Deposits in Western Continents
7.2.1 North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, USA
7.2.2 South America
Argentina, Chile, Ecuador, Peru
Colombia
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Western Australia
Not Yet Found

Scoria vs Nephelinite 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 Scoria and Nephelinite Reserves. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. 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 Scoria vs Nephelinite information and Scoria vs Nephelinite characteristics in the upcoming sections.

Scoria vs Nephelinite 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. Scoria vs Nephelinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Scoria and Properties of Nephelinite. Learn more about Scoria vs Nephelinite in the next section. The interior uses of Scoria include Decorative aggregates and Interior decoration whereas the interior uses of Nephelinite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Scoria and Nephelinite, they have various applications in construction industry. The uses of Scoria in construction industry include Cement manufacture, Construction aggregate, For road aggregate, In landscaping and drainage works and that of Nephelinite include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate.

More about Scoria and Nephelinite

Here you can know more about Scoria and Nephelinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Scoria and Nephelinite consists of mineral content and compound content. The mineral content of Scoria includes Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica and mineral content of Nephelinite includes Clinopyroxene, Nepheline, Plagioclase. You can also check out the list of all Igneous Rocks. When we have to compare Scoria vs Nephelinite, the texture, color and appearance plays an important role in determining the type of rock. Scoria is available in black, brown, dark grey to black, red colors whereas, Nephelinite is available in black, brown, colourless, green, grey, white colors. Appearance of Scoria is Glassy and Vesicular and that of Nephelinite is Skeletal. Properties of rock is another aspect for Scoria vs Nephelinite. The hardness of Scoria is 5-6 and that of Nephelinite is 6.5. The types of Scoria are Not Available whereas types of Nephelinite are Peralkaline Nephelinite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Scoria and Nephelinite is white. The specific heat capacity of Scoria is Not Available and that of Nephelinite is 0.88 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Scoria is heat resistant, impact resistant, pressure resistant, wear resistant whereas Nephelinite is heat resistant.