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Oil shale
Oil shale

Obsidian
Obsidian



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Oil shale vs Obsidian

1 Definition
1.1 Definition
Oil Shale is a fine-grained sedimentary rock from which oil is extracted
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth
1.2 History
1.2.1 Origin
Unknown
Ethiopia
1.2.2 Discoverer
Unknown
Obsius
1.3 Etymology
From Old English scealu in its base sense of thing that divides or separate
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Opaque Rock
2 Texture
2.1 Texture
Splintery
Glassy
2.2 Color
Black, Brown, Buff, Green, Grey, Red, Yellow
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
59% Sedimentary Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
62% Sedimentary Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
43% Sedimentary Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
38% Sedimentary Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
22% Sedimentary Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Muddy
Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Not Yet Used
Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
Not Yet Used
Garden Decoration
3.1.3 Other Architectural Uses
Not Yet Used
Not Yet Used
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Serves as an Oil and Gas Reservoir rock
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points
3.2.2 Medical Industry
Not Yet Used
Surgery
3.3 Antiquity Uses
Artifacts
Artifacts, Jewellery
3.4 Other Uses
3.4.1 Commercial Uses
An Oil and Gas Reservoir
Creating Artwork, Mirror, Used in aquariums
4 Types
4.1 Types
Carbonate-rich Shale, Siliceous Shale and Cannel Shale
Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian
4.2 Features
Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock
Blocks negativity, Helps to protect against depression
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
Not Applicable
4.3.3 Sculpture
Not Yet Used
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
Not Applicable
4.3.5 Pictographs
Not Used
Used
4.3.6 Petroglyphs
Not Used
Used
4.3.7 Figurines
Not Yet Used
Not Yet Used
4.4 Fossils
Present
Absent
5 Formation
5.1 Formation
Oil Shale forms on the beds of seas and lakes and its formation starts with the organic debris settling and accumulating at the bottom of a lake or sea which are then transformed into rock with the help of high temperature and pressure.
When the lava is released from volcano, it undergoes a very rapid cooling which freezes the mechanisms of crystallization. The result is a volcanic glass with a uniform smooth texture.
5.2 Composition
5.2.1 Mineral Content
Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides
Not Available
5.2.2 Compound Content
Ca, Fe, Mg, Silicon Dioxide, Sodium
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
5.3 Transformation
5.3.1 Metamorphism
19% Sedimentary Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
5.3.3 Weathering
78% Sedimentary Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
86% Sedimentary Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Sea Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
2-3
5-5.5
6.1.2 Grain Size
Very fine-grained
Not Applicable
6.1.3 Fracture
Not Available
Conchoidal
6.1.4 Streak
White
White
6.1.5 Porosity
Highly Porous
Very Less Porous
6.1.6 Luster
Dull
Vitreous
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
0.15 N/mm2
Rank: 33 (Overall)
Obsidian
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6.1.8 Cleavage
Slaty
Non-Existent
6.1.9 Toughness
2.6
Not Available
6.1.10 Specific Gravity
2.2-2.8
2.6-2.7
6.1.11 Transparency
Opaque
Translucent
6.1.12 Density
2.4-2.8 g/cm3
2.6 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.39 kJ/Kg K
Rank: 23 (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
Granulite
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6.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
Afghanistan, Indonesia, Japan, Russia
7.1.2 Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Kenya
7.1.3 Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Greece, Hungary, Iceland, Italy, Turkey
7.1.4 Others
Greenland, Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
Canada, Mexico, USA
7.2.2 South America
Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Chile, Ecuador, Peru
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New Zealand

Oil shale vs Obsidian 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 Oil shale and Obsidian Reserves. Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. 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 Oil shale vs Obsidian information and Oil shale vs Obsidian characteristics in the upcoming sections.

Oil shale vs Obsidian 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. Oil shale vs Obsidian characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Oil shale and Properties of Obsidian. Learn more about Oil shale vs Obsidian in the next section. The interior uses of Oil shale include Not yet used whereas the interior uses of Obsidian include Decorative aggregates and Interior decoration. Due to some exceptional properties of Oil shale and Obsidian, they have various applications in construction industry. The uses of Oil shale in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Serves as an oil and gas reservoir rock and that of Obsidian include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Oil shale and Obsidian

Here you can know more about Oil shale and Obsidian. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Oil shale and Obsidian consists of mineral content and compound content. The mineral content of Oil shale includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides and mineral content of Obsidian is not available. You can also check out the list of all Sedimentary Rocks. When we have to compare Oil shale vs Obsidian, the texture, color and appearance plays an important role in determining the type of rock. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas, Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Oil shale is Muddy and that of Obsidian is Shiny. Properties of rock is another aspect for Oil shale vs Obsidian. The hardness of Oil shale is 2-3 and that of Obsidian is 5-5.5. The types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale whereas types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Oil shale and Obsidian is white. The specific heat capacity of Oil shale is 0.39 kJ/Kg K and that of Obsidian is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Oil shale is heat resistant, impact resistant whereas Obsidian is heat resistant, impact resistant.