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Tuff
Tuff

Kimberlite
Kimberlite



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Kimberlite

Tuff vs Kimberlite

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Definition

Definition

Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
Kimberlite is a rare, blue-tinged, coarse-grained intrusive igneous rock, which sometimes contains diamonds and is mostly found in South Africa and Siberia.

History

Origin

Italy
Kimberley, South Africa

Discoverer

Unknown
John W. Judd

Etymology

From a Latin word tophous then in Italian tufo and finally tuff
From Kimberley +‎ -ite, from the name of the South African town of Kimberley where the rock was first found.

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Volcanic
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Texture

Texture

Clastic, Pyroclastic
Porphyritic

Color

Brown, Grey, Yellow
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey

Maintenance

More
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull, Vesicular and Foilated
Dull and Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration
Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
As Building Stone, Paving Stone, Garden Decoration

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

Building houses or walls, Construction Aggregate
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)

Types

Types

Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.
Basaltic Kimberlites and Micaceous Kimberlites

Features

Always found as volcanic pipes over deep continental crust
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny

Archaeological Significance

Monuments

-
-

Famous Monuments

Easter Island in the Polynesian Triangle, Pacific Ocean
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Tuff is formed when large masses of ash and sand which are mixed with hot gases are ejected by a volcano and avalanche rapidly down its slopes.
Kimberlite is an igneous rock and is the main source of diamonds. Its formation takes place deep beneath the Earth’s surface between 150 to 450 kilometres, and are erupted rapidly and violently.

Composition

Mineral Content

Calcite, Chlorite
Garnet, Olivine, Phlogopite, Pyroxene

Compound Content

Hydrogen Sulfide, Sulfur Dioxide
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

4-66-7
1 7
👆🏻

Grain Size

Fine Grained
Fine to Coarse Grained

Fracture

Uneven
Conchoidal

Streak

White
White

Porosity

Highly Porous
Very Less Porous

Luster

Vitreous to Dull
Subvitreous to Dull

Compressive Strength

243.80 N/mm2260.00 N/mm2
0.15 450
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Cleavage

-
Conchoidal

Toughness

-
-

Specific Gravity

2.732.86-2.87
0 8.4
👆🏻

Transparency

Opaque
Translucent to Opaque

Density

1-1.8 g/cm32.95-2.96 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.20 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
Russia

Africa

Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Angola, Botswana, Cameroon, Ethiopia, South Africa

Europe

France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
England, Hungary, Iceland, United Kingdom

Others

Antarctica, Hawaii Islands
Antarctica

Deposits in Western Continents

North America

Canada, Costa Rica, Panama, USA
Canada, USA

South America

Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Argentina, Colombia, Ecuador

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
New South Wales, New Zealand, South Australia, Western Australia

Tuff vs Kimberlite 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 Tuff and Kimberlite Reserves. Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Kimberlite is a rare, blue-tinged, coarse-grained intrusive igneous rock, which sometimes contains diamonds and is mostly found in South Africa and Siberia.. 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 Tuff vs Kimberlite information and Tuff vs Kimberlite characteristics in the upcoming sections.

Tuff vs Kimberlite 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. Tuff vs Kimberlite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Tuff and Properties of Kimberlite. Learn more about Tuff vs Kimberlite in the next section. The interior uses of Tuff include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration whereas the interior uses of Kimberlite include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Tuff and Kimberlite, they have various applications in construction industry. The uses of Tuff in construction industry include Building houses or walls, Construction aggregate and that of Kimberlite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Tuff and Kimberlite

Here you can know more about Tuff and Kimberlite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Tuff and Kimberlite consists of mineral content and compound content. The mineral content of Tuff includes Calcite, Chlorite and mineral content of Kimberlite includes Garnet, Olivine, Phlogopite, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Tuff vs Kimberlite, the texture, color and appearance plays an important role in determining the type of rock. Tuff is available in brown, grey, yellow colors whereas, Kimberlite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. Appearance of Tuff is Dull, Vesicular and Foilated and that of Kimberlite is Dull and Banded. Properties of rock is another aspect for Tuff vs Kimberlite. The hardness of Tuff is 4-6 and that of Kimberlite is 6-7. The types of Tuff are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite. whereas types of Kimberlite are Basaltic Kimberlites and Micaceous Kimberlites. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Tuff and Kimberlite is white. The specific heat capacity of Tuff is 0.20 kJ/Kg K and that of Kimberlite 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.Tuff is heat resistant, impact resistant, pressure resistant, wear resistant whereas Kimberlite is heat resistant, impact resistant.